2872results about How to "Prevent water leakage" patented technology

An air intake structure is incorporated into a motorcycle having a body frame including a hollow head member provided in its front wall with an air inlet opening and supporting a steering shaft having an upper end holding a handlebar, and paired, right and left hollow main frame members extending rearward from the head member on right and left sides, respectively, of the motorcycle. The air intake structure includes an air cleaner disposed behind the head member, an inlet duct having an open front end opening forward, and an open rear end connected to the air inlet opening of the head member, an intake duct inserted in the hollow main frame member, respectively having a front part extended toward the head member in the hollow main frame member and having an open front end, and a rear part connected to the air cleaner. An air passage defined by the intake duct has a sectional area increased downstream with respect to the direction of air flow. The intake duct are internally provided with straightening plate, respectively.

A combined filter cartridge and manifold for use in a water purification system or the like, to facilitate substantially drip-free filter cartridge removal and replacement. The filter cartridge includes water inlet and outlet ports for respective connection with inlet and outlet fittings on the manifold. A pivoting manifold cap normally overlies and retains the filter cartridge in connected relation with the manifold fittings and a water supply coupled to the manifold. Pivoting movement of the manifold cap toward an open position shuts off the water supply and then permits filter cartridge separation from the manifold, with check valves at the manifold inlet / outlet fittings and cartridge inlet / outlet ports preventing significant water leakage. Upon installation of a replacement filter cartridge and return movement of the manifold cap to the initial closed position, cam elements on the manifold cap and filter cartridge draw the cartridge inlet / outlet ports into secure slide-on connection with the manifold inlet / outlet fittings before resuming connection with the water supply.

The invention discloses an in-hole drilling tool integrating drilling, slotting and punching a coal seam and a using method thereof. The in-hole drilling tool comprises a water supple device or an air supple device, a high-pressure sealing drill pipe, a slotting and punching valve and a drill bit. The water supply device and the air supply device are connected with the high-pressure sealing drill pipe at an orifice. The slotting and punching valve is installed between the high-pressure sealing drill pipe and the drill bit. The in-hole drilling tool is essentially used for drilling and anti-reflective outburst eliminating after drilling of soft outburst coal seam. The using method is as follows: after the drilling construction is finished, a water supplier with a pressure release valve is used for starting a high-pressure pumping station to improve the pressure and the flux for water supply; high-pressure water current at the pumping station drives the slotting and punching valve to act for closing an axial liquid passage and opening a radial liquid passage; and high-pressure jet current realizes slotting or punching through a cutting nozzle or a punching nozzle. The invention has novel design and easy operation, is safe and reliable, improves the outburst elimination efficiency and realizes the integrated operation of drilling, slotting or punching and outburst eliminating.

A water discharge switching device which is easily miniaturized, readily assembled, and manufactured at low cost and prevents leakage of water. The water discharge switching device includes a foaming water producing and discharging device having a water inlet (1c), an air / water mixing chamber facing the water inlet (1c) and capable of communicating with the water inlet (1c), an air suction port capable of communicating with the air / water mixing chamber, and a foaming water outlet. The switching device also includes a shower water discharging device having a shower water discharge port (2d) and capable of communicating with the water inlet (1c). The shower water discharging device is arranged around the air / water mixing chamber of the foaming water producing and discharging device. Also, water discharge switching device for selectively switching between the discharge of foaming water from the foaming water producing and discharging device and the discharge of shower water from the shower water discharging device. The shower water discharge port (2d) of the shower water discharging device forms the air suction port of the foaming water producing and discharging device.

A basement engineering waterproof and drainage method is provided. The wall footing of the outside wall in basement engineering is embedded in watertight or micro-watertight soil rock layer or cement soil layer. The wall footing intercepts water by a thin-part structure. The cushion of the basement engineering soleplate and the falling layer of the top board are composed of combined water-proof layers. The late poured band, the movement joint and the horizontal construction joint at the lower part of the outside wall are treated by a water-proof structure combined with waterproofing measures. The basement engineering is provided with a drainage system. The groundwater and surface water at the soleplate are drained into city drainage pipelines via a soleplate part of the drainage system. The rainwater of overburden layer bottom of the top board is then drained into city drainage pipelines via the indoor part of the drainage system. The invention is designed by adopting a one-body method of arranging the basement engineering waterproofing, drainage and anti-floating as well as underground engineering space enclosing structure and pipelines, thereby shortening the construction period, reducing the engineering cost, increasing the durability and reliability of underground building space enclosing structure and waterproof layer as well as pipelines.

A water appliance including a water flow control unit for controlling a water flow. The control unit includes a flow restrictor and a leakage stop in serial fluid communication with the flow restrictor. The leakage stop cuts off the flow when a pressure difference between an inlet and an outlet of the flow restrictor is below a predetermined value.

A heating cooker which prevents leakage of water even when an inlet of the water feed pipe is placed in any direction, and in which a water feed tank is removably coupled to the water feed pipe in any direction. The heating cooker includes a steam generator to supply steam into a cooking cavity defined in the heating cooker, a water feed tank to supply water into the steam generator, a water feed pipe to supply the water from the water feed tank into the steam generator, with the water feed tank removably coupled to the water feed pipe, a first valve to control an outlet provided on the water feed tank to discharge the water from the water feed tank, and a second valve to control an inlet provided on the water feed pipe to draw the water discharged from the water feed tank into the water feed pipe.

A shower pan for mounting in a shower stall includes a single integrally molded base with a drain hole. A sidewall extends upwardly from the base and completely surrounds the base. A lateral ledge extends outwardly from the sidewall and has an inner edge and an outer edge defining a surface therebetween for mounting a shower stall door track. An outer ridge extends upwardly from the outer edge of the lateral ledge and is in spaced apart relation to the door track. Water flowing through cracks between the door track and the shower pan is prevented from escaping the shower pan by the outer ridge, which allows water to drain under the door track into the shower pan.

A toilet leak containment assembly for preventing water leaks from a toilet during flushing onto the support flooring into which the toilet is attached. The leak containment assembly contains a leak collector for installation between the toilet base and the support flooring for preventing the water leaks onto the support flooring during flushing. The leak collector contains an attachment flange for attaching the leak collector to the support flooring, a collector pan for collecting water leaks during flushing, and an outlet pipe in fluid communication with the collector pan for channeling the leaks into the plumbing drain pipe. It also contains a leak seal assembly for installation and sealing between the toilet base and the leak collector. The leak seal assembly contains a flow channel for channeling water flow into the outlet pipe of the leak collector, and a seal for sealing between the toilet base and the leak collector.

An integrated shower base designed for improving the drainage of a tile shower is disclosed. The shower pan may be custom fabricated and molded with a depression surrounding a drainage opening for receiving a one piece floor drain. The pan and floor drain are welded together to prevent leaking. The floor drain contains weep holes so that water that seeps through the mortar on the shower floor and into the shower pan can drain properly without leaking. The floor drain also contains a reservoir for holding water that drains through the regular shower drain and also for water that seeps through the shower floor. A mortar guard is placed over the weep holes to prevent the holes from becoming clogged. A drainage mat is placed over the shower pan to help water seepage flow to the floor drain.

A combined filter cartridge and manifold for use in a water purification system or the like, to facilitate substantially drip-free filter cartridge removal and replacement. The filter cartridge includes water inlet and outlet ports for respective connection with inlet and outlet fittings on the manifold. A pivoting manifold cap normally overlies and retains the filter cartridge in connected relation with the manifold fittings and a water supply coupled to the manifold. Pivoting movement of the manifold cap toward an open position shuts off the water supply and then permits filter cartridge separation from the manifold, with check valves at the manifold inlet / outlet fittings and cartridge inlet / outlet ports preventing significant water leakage. Upon installation of a replacement filter cartridge and return movement of the manifold cap to the initial closed position, cam elements on the manifold cap and filter cartridge draw the cartridge inlet / outlet ports into secure slide-on connection with the manifold inlet / outlet fittings before resuming connection with the water supply.

The invention discloses a concrete joint water stop structure, and belongs to the field of waterproof technologies of concrete buildings. The water stop structure comprises pre-buried anchor holes, adhesives, rubber waterstop, a section steel pressing plate, bolts and a sealing structure; wherein the pre-buried anchor holes are preburied in a concrete structure, the rubber waterstop adheres to the surface of a concrete joint water stop channel through the adhesives, the section steel pressing plate adheres to the upper surface of the rubber waterstop through the adhesives, the bolts penetrates through the section steel pressing plate and the rubber waterstop and are fastened with the pre-buried anchor holes, and the sealing structure is arranged between the rubber waterstop and the concrete joint water stop channel. The invention further discloses a construction method of the concrete joint water stop structure. Compared with the prior art, the concrete joint water stop structure has the advantages of being simple in construction, good in water stop effect and the like.

A gasket and washing machine having the same prevent laundry from becoming wedged between a drum and a gasket for preventing water leakage. The gasket is coupled between a cabinet of a drum-type washing machine including a drying duct for providing a drying function and a tub disposed inside the cabinet. The gasket includes an annular lip, protruding inwardly from an inner circumference of the gasket, for preventing foreign matter from entering a space existing between the tub and a rotating drum, and a laundry kicker, protruding inwardly from a predetermined portion of the annular lip, for dislodging laundry that has become wedged between the annular lip and the rotating drum.

The invention provides a mine water stemming bag and an application of the mine water stemming bag in borehole blockage. By means of the mine water stemming bag, local self-locking can be achieved, and leakage of a bag opening can be prevented reliably. By applying the mine water stemming bag to borehole blockage and combining with polyurethane expansion foam composites, a convenient, quick, efficient and reliable borehole blockage effect can be achieved, labor intensity of manual borehole blocking is relieved, construction time is shortened, work efficiency is improved, and the forced mining and forced excavation technical requirements of underground metal mines are met on the premise that the blasting effect is guaranteed.

A sink according to the present invention includes a sink basin having a bottom surface and a top surface with at least one side wall extending therebetween. The sink includes a divider that may be inserted into or removed from an interior area of the sink for selectively dividing the basin into multiple smaller compartments. An electromagnet is positioned beneath the bottom surface of the sink and is attracted to a ferrous material on the bottom of the divider for holding the divider securely when actuated. Channels defined by the sink side wall and other sealing components establish a watertight seal between compartments when the electromagnet is actuated. The electromagnet may be connected to the residential power source and may be activated by a user or, automatically, by a sensor. When the divider is removed, the larger single basin may be used for washing larger items.

The invention discloses a quick-dry thin acrylic-acid protective coating, which mainly consists of water, cosolvent, acrylic-acid like emulsion, filler, quick dry agent, hole forming agent, dispersing agent, wetting agent, defoamer, flatting agent and thickener and the like. The invention further discloses an HDPE (high-density polyethylene) self-adhesive film waterproof protective coating layer, which is formed after the quick-dry thin acrylic-acid protective coating is sprayed on a HDPE self-adhesive layer uniformly by a reciprocating mechanical spraying method and drying the same. The quick-dry thin acrylic-acid protective coating is environment-friendly and non-toxic and can be dried quickly and has excellent flatting performance, and an HDPE self-adhesive film waterproof roll prepared by the HDPE self-adhesive film waterproof roll protecting layer has excellent pre-paving anti-adhesive effect with post-cast concrete, and the HDPE self-adhesive film waterproof roll protective layer and the post-cast concrete can be guaranteed to be adhered stably and firmly.

A drain valve with flow control allows liquid to flow into or out of a liquid-container product only when desired by use of a restriction cap having a control ring that twists in and out of a base ring in order to control the flow of liquid in and out of the drain valve. The invention may be used with a wide variety of hose connectors and or safety caps. In one embodiment, the restriction cap is comprised of a flow valve that has a flow valve top, flow apertures, a flow valve base, and flow valve threads and a control ring that has a control ring top, a control ring base, a control ring center aperture, and control ring protrusions. The control ring is sealed snugly against the flow valve top by means of an O-ring when the drain valve is in the closed position, in order to prevent leakage through the flow apertures, and is also sealed against the side of the flow valve by an O-ring, in order to prevent leakage via the channel within which the control ring moves in the base ring. The control ring of the restriction cap twists in and out of the base ring in order to control the flow of liquid in and out of the drain valve. As the control ring is twisted into the base ring, the control ring protrusions twist within channels inside the base ring and the piston valve is depressed, allowing liquid to flow from the drain valve into the hose connector. As the control ring is twisted out of the base ring, the control ring base blocks the flow apertures, preventing liquid from flowing into the drain valve.

A roof pipe flashing with a raised boot and elongated opposite extensions extending therefrom which roof pipe flashing is used to cover and weatherproof an existing but damaged roof pipe flashing on the pitched roof of a building. The roof pipe flashing can be made manually by cutting or tearing along pre-marked lines on the flat base of a roof pipe flashing.

A method of constructing in-floor drains includes measuring a vertical distance from a component in the floor to an in-floor drain pipe, and ordering a customized floor drain flasher adapter membrane having an outer ring for engaging the floor component, such as a waterproof membrane, and having an inner ring for positioning adjacent an entrance to the drain pipe, the outer and inner rings being spaced apart a dimension correlated to the measured vertical distance. The method includes installing the customized floor drain flasher adapter membrane to connect to the in-floor drain in a way that reduces leaks and that prevents unnatural and uneven folding, bending or stretching of the membranes. Preferably, an inventory of different types of pre-manufactured floor drain flasher adapter membranes are pre-manufactured for just-in-time shipment. The adapter membrane can be attached to a pre-formed waterproof membrane, or to a liquid-formed membrane formed on the construction site.

The invention discloses an interchangeable water tank assembly and a domestic back-suction type dust collector. The interchangeable water tank assembly comprises a water tank body in which a water trough is arranged, a cover body which covers the water tank body to form a closed space in an encircling manner, an electromagnetic valve assembly mounted in the cover body, and flow guide cloth which is located in the water tank body and is close to the water trough, wherein a water flow guide opening is formed in the side wall of the water trough, and corresponds to the flow guide cloth; the electromagnetic valve assembly comprises an electromagnetic valve and a guide pipe with one end connected with the electromagnetic valve; an air injection opening communicated with the other end opening of the guide pipe is further formed in the side wall of the water trough. According to the technical scheme, the interchangeable water tank assembly can prevent a water tank from leaking water or seeping water; and furthermore, the water drain uniformity can be increased, and the cleanness of a floor cleaned by the dust collector is improved.

The invention belongs to the technical field of parking equipment and provides a stereoscopic parking lot. The stereoscopic parking lot comprises a tower column and a plurality of layers of parking units arranged on the tower column; each layer of the parking unit comprises a vacant site and a plurality of parking spaces; a pushing device is arranged between the adjacent two parking spaces; the parking spaces are slidingly mounted on a first rail under the driving of a first power device; a hoisting channel is internally provided with a second rail which is connected with the hoisting device; and the second rail is provided with a second power device which is used for driving the parking spaces to slide on the second rail. With the adoption of the stereoscopic parking lot provided by the embodiment of the invention, the ground space of a plurality of the parking spaces which are arranged around the tower column and one tower column is occupied and a plurality of overhead parking spaces are realized; the occupied area is small, more vehicles are parked and the space can be sufficiently utilized; the framework design in a trunk shape is adopted so that the shielding to peripheral buildings is small and the lighting is not influenced; and the time for parking and taking the vehicle is 2-3 minutes so that the stereoscopic parking lot is rapid, safe and efficient and is suitable for middle-small-sized parking lots.

The invention discloses a construction method for an integral straight middle wall type double-arch tunnel. The construction method comprises the following steps that a middle pilot tunnel is excavated according to design requirements, preliminary bracing of the middle pilot tunnel is carried out, the middle wall of a double-arch tunnel is constructed in the middle pilot tunnel, the top of the middle wall is of a Y-shaped structure, a middle wall top cavity is reserved between the top of the middle wall and the top wall of the middle pilot tunnel, a drainage system is arranged on the middle wall, backfill is carried out on the middle wall top cavity, a left hole and a right hole of the double-arch tunnel are excavated according to the design requirements, and pavement construction and tunnel mechanical and electrical installation engineering construction are respectively carried out on the left hole and the right hole after construction. Compared with an identical three-layer combined type straight middle wall structure, a three-layer combined type curved middle wall structure and a five-layer combined type curved middle wall structure, the construction method can effectively reduce the thickness of the middle wall, a structure is simple, construction is convenient, construction cost is reduced, the occupied area of a tunnel outer lead is reduced, and land resources are saved.

The invention discloses a structure and method for treating severe disengagement, cracking and other defects of a tunnel lining. According to the method, original defective secondary lining concrete is chiseled away, and an inverted trapezoidal groove with the inside being wide and the outside being narrow is formed; steel bars are embedded in the middle of the groove in the annular direction and the longitudinal direction, and meanwhile, the steel bars and the original concrete are anchored integrally; self-propelled hollow grouting anchor rods are drilled in the groove area and surrounding the groove at the same time, and the outer side and the inner side, close to the secondary lining, of each anchor rod are wrapped with two water-swelling rubber water stop strips; and after a formwork is erected on the outer surface of the secondary lining, micro-expansion concrete is poured into the groove and is tightly connected with an original primary support and the secondary lining, so that a new lining structure is formed, the outer surface area of the micro-expansion concrete extends around till reaching the design thickness of the secondary lining and then extends again by 80-100 cm within which steel belts are hung for anchorage. The structure and method can effectively treat the defects of severe cracking and disengagement of the lining, the structure stability is good, the mechanical property is high, the problem that the defects occur again in the later period is avoided, the treatment method is high in operability, safe and reliable, and great economic benefits are achieved.

The invention is a stainless steel double-tanked (three-tanked) water tank stretching technique, including the working procedures such as batching, shearing angle, first stretching, shearing side, washing, annealing, second stretching, cutting side, punching hole, surface processing, etc. The water tank made by the working procedures forms a through structure without welding, reducing production cost and avoiding the problems of water leakage and of affecting fastness, thus heightening the whole quality and service life of the water tank.

The invention relates to a table device for polishing electrode caps, which is used for solving the problems existing in the process of polishing the electrode caps of resistance welding tongs. The device comprises a motor and speed reduction mechanism, a polishing cutter, an electrode cap installing and pushing mechanism, a discharging mechanism, a worktable and an electric control system, wherein the motor and speed reduction mechanism is arranged below a table top of the worktable and connected with the polishing cutter; the polishing cutter is provided with two sets of blades for supporting the simultaneous polishing of left and right electrode caps, is positioned at the middle position of the table top of the worktable, and is arranged in an axial floating mode; and each of the electrode cap installing and pushing mechanism and the discharging mechanism comprises two eudipleural parts and is arranged on the table top of the worktable. The device has the characteristic of high automation degree, is convenient to operate and maintain, can ensure the polishing quality of the electrode caps, improves the polishing efficiency of the electrode caps, and is maintenance equipment necessary for a welding production line.

An enclosed direct oxidation fuel cell system is provided. The system is sealed with one or more layers of a plastic enclosure that conforms directly to the shape of the fuel cell system. The enclosure is substantially comprised of one or more layers of materials that are non-reactive with the fuel substance used in the fuel cell. In accordance with one aspect of the invention, one of the materials is a plastic film material that provides a good seal to substantially prevent liquids from escaping from the system. Yet, the enclosure is lightweight and conforms substantially to the exterior body of the fuel cell system so that it adds little or no bulk to the fuel cell system. The enclosure also prevents water from leaking out of the system. The enclosure materials may include color-changing properties so that in the event of a leak, it is visually apparent that liquid is in contact with the enclosure.

A cup comprises a container having a flat bottom wall pierceable by a needle, a filter has a flat filter bottom supported on or sufficiently close to the flat bottom to allow the needle to push part of the flat filter bottom upwards to form a beverage collection chamber, a lid having an outer sidewall and a sloped inner sidewall to transform the brewing pressure in the cup into radial outward force acting on the outer sidewall to impart rigidity to the lid during brewing, and a pressure sensitive adhesive O-ring between the horizontal wall of the lid and the container rim. The cup may comprise a pressurization chamber enclosed by the outer sidewall, inner sidewall and a top film and adapted to become pressurized and expanded when hot water is injected into the cup, thereby imparting rigidity to the lid and improving the seal to the container.

A dehumidifier for continuously draining water generated by dehumidification to an external side is provided. The continuous drain-type dehumidifier includes a case having an air inlet and outlet, a dehumidifying unit that remove moisture from air introduced through the air inlet and discharges the air through the air outlet, a middle part member having a bottom portion on which water generated by the dehumidifying unit is dropped and provided with a water outlet, and a water leakage preventing unit that is provided on the water outlet to prevent the water from leaking. The water leakage preventing unit includes a drain nipple cap inserted into the water outlet, a drain nipple snap-fitted to the drain nipple cap, and a ring compressed between the drain nipple cap and the drain nipple and close-contacting an outer circumference of the water outlet.