37results about How to "Sealing performance" patented technology

The present invention relates to a rechargeable battery. The rechargeable battery includes an electrode assembly, a case, electrode terminals, and a cap plate. The electrode assembly includes a separator and an anode and a cathode disposed at both sides of the separator. The case houses the electrode assembly. The electrode terminals are electrically connected to the electrode assembly and protrude outwardly from the case. The cap plate closes and seals the case. The cap plate includes a terminal hole for receiving the electrode terminals and a sealing reinforcing member formed along a circumference of the terminal hole and having a greater thicker than a periphery thereof.

A fuel cell stack is provided with a plurality of stacked separators. This fuel cell stack includes: terminals that extend from the separators; packing in which are formed a plurality of through holes through which the terminals are inserted; a packing casing that has a packing housing concave portion that envelops side surfaces of the packing and supports a bottom surface of the packing, and has through holes through which the terminals are inserted; and a connector housing that has a pressing surface that presses a top surface of the packing. Mountain-shaped protruding portions whose apex portions are formed by circumferential edges of apertures of the respective through holes are provided on the top surface of the packing, and the pressing surfaces of the connector housing are formed in a configuration that conforms to the side surfaces of the protruding portions. Internal surfaces of the through holes in the packing are in contact without a gap in between with external surfaces of the terminals. The sealing performance in extraction portions of terminals that are used for cell voltage detection is improved.

A sealing process of LED modules includes a waterproof wire put through a wire-through hole of a heat sink to be connected with a positive-negative solder joints on a PCB board, which are subjected to glue sealing treatment. A waterproof sealing process is operated between the waterproof wire and wire-through hole. The PCB board is fixed on the heat sink. One sealing ring is placed into a groove. A ring of liquid silica gel is evenly applied along the other groove. The heat sink installed with the PCB board and the waterproof wire are inversely buckled on the lens set which is fixed with the solid silica gel ring and liquid silica gel. At least two waterproof sealing rings are used to isolate an LED chip from the outside so as to prevent all water vapor or other harmful gases from corroding the chip and the PCB

In a hermetically sealed compressor 100 including a rotary compressing element (4) having at least one cylinder (43A, 43B), and a roller (45) provided to the cylinder so as to be freely eccentrically rotatable, an electrically-driven element (2) for driving the roller (45) and a hermetically sealed container in which the rotary compressing element and the electrically-driven element are accommodated, oil (8) being stocked in the hermetically sealed container (1), the oil (8) in the hermetically sealed container (1) is injected into the compression chamber (43) when refrigerant is sucked into the compression chamber (43) of the cylinder.

Described herein is a sealant laminated composite for collectively sealing a semiconductor device's mounting surface of a substrate on which semiconductor devices are mounted or a semiconductor device's forming surface of a wafer on which semiconductor devices are formed. The composite can include a support wafer and an uncured resin layer constituted of an uncured thermosetting resin formed on one side of the support wafer. In certain aspects, the sealant laminated composite is very versatile, even when a large diameter or thin substrate or wafer is sealed. In certain aspects, this can prevent the substrate or wafer from warping and the semiconductor devices from peeling; can collectively seal a semiconductor device's mounting surface of a substrate on which semiconductor devices are mounted or a semiconductor device's forming surface of a wafer on which semiconductor devices are formed on a wafer level; and can provide a sealant laminated composite that is excellent in the heat resistance and humidity resistance after sealing.

There are provided a blowing-mode door for a vehicle air-conditioning apparatus in which leakage of temperature-adjusted air can be prevented to improve independent temperature-adjusting performance by minimizing the gap between the mode door and a partition plate and increasing the rigidity of the mode door, as well as a vehicle air-conditioning apparatus using the same. A blowing-mode door applied to a vehicle air-conditioning apparatus with an independent temperature-adjusting system is provided in which the blowing-mode door includes a rotating shaft having a predetermined length and a pair of left and right plate-like doors that are molded integrally with the rotating shaft, with a gap for preventing interference with a partition plate therebetween.

In an attachment structure of a gasket for a refrigerant-seal, both first and second connection members are disposed to define a seal space by first and second opposite surfaces and first and second wall surfaces, and the gasket having a beam portion is disposed in the seal space so that one end surface of the gasket is held on the first wall surface of the first connection member and the other end surface of the gasket is separated from the second wall surface of the second connection member by a predetermined clearance, before both the first and second connection members are fastened. After both the first and second connection members are fastened, the gasket extends, and the other end surface of the gasket press-contacts the second wall surface.

A spark plug includes a center electrode, an insulator, a metallic shell, and a seal member for providing a seal between the insulator and the metallic shell. The insulator includes a first portion, a second portion located axially forward of the first portion and being smaller than the first portion, and an insulator first-diameter-reducing-portion whose outside diameter reduces forward and which connects the first portion and the second portion. The metallic shell includes a protrusion that includes a metallic shell diameter-reducing-portion whose inside diameter reduces forward. The seal member is disposed between the insulator first-diameter-reducing-portion and the metallic shell diameter-reducing-portion. A relationship θ21>θ22 is satisfied, where the angle θ21 is an angle between a straight line orthogonal to the axial line and the outline of the metallic shell diameter-reducing-portion, and the angle θ22 is an angle between the straight line and an outline of the insulator first-diameter-reducing-portion.

Provided are a packaging container for a microwave oven that excels in the sealing performance between a container body and lid, and that at heating / cooking by a microwave oven, maintains the internal pressure of the container for a given period of time to thereby enhance the taste of contents through steaming effect, and that thereafter, can spontaneously open with certainty from a steam releasing seal part; and an efficient process for manufacturing the packaging container. In the packaging container for microwave oven having a lid heat-sealed to the periphery of a flange part of container body made of a synthetic resin so as to attain hermetic sealing, at least one steam releasing seal part with a weakened part is disposed inside the peripheral seal part of the flange part at a position separate from the peripheral seal part.

A hermetically sealed rotary compressor 100 including an electrically-driven element 2, a rotary compressing element 4 equipped with a cylinder 41 having a compression chamber 43 and a hermetically sealed container 1 in which oil 8 is stocked, is equipped with an oil path 62 for injecting the oil 8 into the compression chamber 43 when refrigerant is sucked into the compression chamber 43, and an opening / closing valve 80 for opening / closing the oil path 62 in accordance with the discharge pressure of the rotary compressing element 4 of the pressure of the compressed refrigerant compressed by the rotary compressing element 4.

A connector (C) has a terminal fitting (10) including a terminal connecting portion (11) to be connected to a mating terminal and barrels to be crimped to a wire (W). A housing (50) has a terminal accommodating chamber (57) that is configured to accommodate the terminal fitting (10). A sleeve (20) has an accommodation space (21) configured to accommodate the barrels crimped to the wire (W). A rubber plug (45) includes a center hole (46) and is configured so that the wire (W) extending back from a rear wall (24B) of the accommodation space (21) penetrates therethrough in a sealed state. A rear holder (60) obstructs rearward movement of the terminal fitting (10) via the sleeve (20). A center position (P2) of the center hole (46) is displaced toward a rear bottom plate (19B) from a center position (P1) of the terminal connecting portion (11).

A hermetically sealed rotary compressor 100 including an electrically-driven element 2, a rotary compressing element 4 equipped with a cylinder 41 having a compression chamber 43 and a hermetically sealed container 1 in which oil 8 is stocked, is equipped with and oil path 62 for injecting the oil 8 into the compression chamber 43 when refrigerant is sucked into the compression chamber 43, and an opening / closing valve 80 for opening / closing the oil path 62 in accordance with the discharge pressure of the rotary compressing element 4 of the pressure of the compressed refrigerant compressed by the rotary compressing element 4.

A brake hydraulic pressure control apparatus for a vehicle includes: a base member; a control housing including a storage space for storing an electromagnetic valve on one face of the base member and a coil assembly; and a pump driving motor on a back face of the base member. The base member are provided with: two housing mounting penetration holes through which housing mounting screws for fixing the control housing are to be inserted; two motor mounting holes into which motor mounting screws for fixing the motor are to be inserted; and a rotation shaft storage hole into which a rotation shaft of the motor is to be stored, wherein the housing mounting penetration holes and the motor mounting holes are respectively disposed point-symmetrically with respect to the center of the rotation shaft storage hole.

The invention discloses a metering pump with a special-shaped cavity, which comprises a housing, a rotor and two cover plates. The housing is a cylinder with a special-shaped surface inner cavity, an inlet and an outlet, and the special-shaped surface inner cavity is formed by combining a circular arc surface with a non-circular arc surface. The rotor comprises a rotor body and two pairs of combined sliding plates, wherein the rotor body is a column body processed with a transmission shaft, a centering shaft and crisscross guide grooves, and the combined sliding plates are mounted in the guide grooves. The cover plates are flat plates processed with bearing holes. The two end surfaces of the housing are matched with the cover plates for constituting a sealed cavity. In the sealed cavity, the rotor is matched with the bearing holes on the cover plates through the transmission shaft and the centering shaft. External driving force couple is acted on the transmission shaft so as to enable the rotor to rotate. When the rotor rotates, the non-circular arc surface of the special-shaped surface inner cavity can enable the two pairs of the combined sliding plates to slide in a cross manner so as to suck in fluid from the inlet and press out the fluid from the outlet. When the rotor rotates one cycle, four standard volumes are formed in a cavity body and the equal quantity of the fluid flows by the cavity body when the rotor rotates every one cycle. The flow rate of the fluid is metered by counting the number of rotation cycles of the rotor.

A temperature-sensitive sensor (21) and a heating temperature-sensitive sensor (22) are fixed in position in a liquid-tight fashion by welding, with the metal tubular bodies (36 and 37) being inserted into the tubular body insertion holes (19 and 20) of a vortex detector (4). Sealing performance is secured without using any O-ring. The temperature-sensitive sensor (21) and the heating temperature-sensitive sensor (22) respectively have lead wires (42 and 43) held together with the lead wires (27) of a vortex detection sensor (11) within the internal space (35), and the lead wires (27, 42, and 43) thus held together are led out toward the flow rate converter (not shown) via a metal pipe (34). Since the lead wires (27, 42, and 43) are held together within the internal space (35) and led out toward the flow rate converter via the metal pipe (34), there is involved only one joint portion between the sensors and the flow rate converter. With this structure, explosion-proof performance can be attained easily.

The invention provides a pouch container which is excellent in a design property as well as being excellent in a self-standing stability and a shape retention property, can be volume-reduced, can prevent an adhesive agent from seeping into the content even in the case of using a multilayer film material employing the adhesive agent, and can sufficiently secure a sealing performance between the body side end part joint portion and a closing member. In a self-standing pouch container (1) provided with a body member (4) which is made of a film material, and a lower end closing member (5) which closes one end opening portion of the body member (4) in a liquid tight manner and is made of a film material, an annular body side end part joint portion (4a) is formed in one end portion of the body member (4) by being bent inside, and an inside member (6) and an outside member (7) are provided as the lower end closing member (5), the inside member (6) being fusion bonded to an inner surface side of the container in the body side end part joint portion (4a) and the outside member (7) being fusion bonded to an outer surface side of the container.

A rotary valve for switching supply passages, and discharge passages of high-temperature and high-pressure steam for a rotor rotatably supported at a casing is constructed by making a fixed side valve plate and a movable side valve plate abut to each other on a slide surface. A pressure chamber into which the high-temperature and high-pressure steam is introduced from the supply passage is opened to a mating surface of a valve body portion with the fixed side valve plate. The fixed side valve plate supported to float is pressed against the movable side valve plate with a pressing load generating in the pressure chamber to bring it into close contact with the slide surface. Leakage of the high-temperature and high-pressure steam from the pressure chamber is prevented by placing a V-packing inside the pressure chamber.

A fuel cell includes a plurality of metal clip members for holding outer regions of first and second metal separators at a plurality of positions. Each of the metal clip member includes a side plate and first and second holding portions. The side plate is curved at opposite ends, and the first and second holding portions are extending from the opposite ends of the side plate. The first and second holding portions generates a predetermined elastic force for holding the first and second metal separators. The outer ends of the first and second metal separators are covered by insulating sections, and the insulating sections are held between the first and second holding portions so that the entire unit cell is tightened by the predetermined elastic force.

A technology for protecting a valve seat inside a collection tank from the adherence of frozen particles in a vacuum freeze-drying apparatus and a frozen particle manufacturing method. The inside of a vacuum tank and a collection tank are vacuum evacuated; a raw material liquid is injected into the vacuum tank to produce frozen particles; and the frozen particles are piled up on a surface of a heating / cooling shelf. When the frozen particles on the heating / cooling shelf are transferred into the collection tank through the inside of an auxiliary pipe, the frozen particles do not adhere to a valve seat which surrounds an opening of a main pipe inside the collection tank.

A power storage device includes: a housing case; a power storage module including a plurality of power storage cells disposed inside the housing case; and a plurality of resin frames each disposed between the plurality of power storage cells. A contact piece is formed on each of the resin frames. The contact piece is in contact with an inner circumferential surface of the housing case and elastically deforms.