188 results about "Plenum space" patented technology

Interfaces for positive pressure therapy having various vent designs are disclosed herein. The interfaces include a bias flow vent with design geometries that help reduce and / or minimize draft and noise levels of the fluids exiting the vents. Some of the vent designs include particular vent hole geometries, plenum spaces, diffusers and fibrous media.

The present invention relates to an apparatus for tilting a keyboard of portable computer, in a manner that a rear end of the keyboard is raised up to a predetermined height by opening its cover, so that the user can operate keys of the keyboard more conveniently. The apparatus for tilting the keyboard of a portable computer of the invention can radiate heat generated from various electric components on a main PCB of a base, during operating the computer, through a ventilation space formed between a keyboard cage on the top side of the base and a bottom side of the keyboard when opening the cover. The apparatus in accordance with the present invention comprises: a keyboard of which both sides of a front portion are rotatably joined by hinge means to a front portion of a keyboard cage formed on a base. A cover is rotably engaged with the base by hinge means mounted within an interior of a rear side portion of the base to be engaged with at least a protruding member of the cover. At least one sector gear is formed on the protruding member, and there is at least one slider moved forwardly and rearwardly in the rectilinear direction according to opening and closing the cover, for moving the rear end of the keyboard upwardly and downwardly.

A direct beam solar lighting system for collecting and distributing sunlight into a room. The system includes a rotatable solar collector head to receive sunlight and to reflect the sunlight downward into a transition tube having a reflective interior surface. The light-concentrating transition tube reflects sunlight into a reflective light tube which directs the reflected sunlight through a plenum space into the room. The system includes a drive mechanism for rotating the rotatable solar collector, and a light fixture at end of the light tube to disburse said reflected sunlight onto a ceiling and a wall in the room. In an embodiment the system includes one or more homogenizing reflectors within the solar collector for collecting the sunlight and directing the sunlight more uniformly over the aperture of the transition tube. In an alternative embodiment, the solar collector includes a rotatable tiltable mirror for providing two-axis tracking.

An apparatus and method are provided for treating pollutants in a process effluent stream. The apparatus comprises an up-flow canister having a lower section plenum space, a section for a sorbent bed material, an upper section plenum space, an inlet for introducing a process effluent stream to the lower section plenum space, and an outlet for egress of the process effluent stream from the canister, the inlet, lower section plenum space, and sorbent bed material being arranged in a manner which provides for process effluent stream to flow into the sorbent bed against gravity, by a pressure differential.

A vent cover is provided for use with a gaming machine. The vent cover comprises a body for location over a vent in a housing of the gaming machine. The vent cover cooperates with the housing to define a vent space through which air flows to and from an interior of the gaming machine via the vent. The vent cover has air ports in communication with the vent space. The vent cover also has one or more drains which direct water from the vent space. The vent cover is preferably used with an exhaust vent of a gaming machine, directing heated air upwardly away from the gaming machine and preventing foreign material from entering the gaming machine through the vent.

A solar powered watercraft including a pontoon section, a strut section, a deck section, and a solar canopy section is provided. The canopy section comprises a headliner layer, a ventilation space, and means for receiving solar radiation. The solar canopy may further comprise a means for flowing air through the ventilation space that includes a fan, a thermostatic switch, a photocell, air inlet ports, and air exhaust ports. The aft section of the pontoon, moreover, may possess a dual tapered design that reduces water friction and wake. The watercraft further includes means for containing a battery pack that, in turn, comprises means for removing heat and gaseous byproducts from the containing means. The containing means is either made integral with the pontoon or is attached to the pontoon's outer surface. The watercraft may possess an aft-oriented trim, which stabilizes the craft and reduces the effect of water forces.

A direct beam solar lighting system for collecting and distributing sunlight into a room. The system includes a rotatable solar collector head to receive sunlight and to reflect the sunlight downward into a transition tube having a reflective interior surface. The light-concentrating transition tube reflects sunlight into a reflective light tube which directs the reflected sunlight through a plenum space into the room. The system includes a drive mechanism for rotating the rotatable solar collector, and a light fixture at end of the light tube to disburse said reflected sunlight onto a ceiling and a wall in the room. In an embodiment the system includes one or more homogenizing reflectors within the solar collector for collecting the sunlight and directing the sunlight more uniformly over the aperture of the transition tube. In an alternative embodiment, the solar collector includes a rotatable tiltable mirror for providing two-axis tracking.

A construction bracket for creating a roof venting space has a first flange having a first flange portion with an first flange outside surface and a first flange side extension that extends away from the first flange outside surface, and a second flange having a second flange portion with a second flange outside surface and a second flange side extension that extends away from the second flange outside surface where the second flange is connected to the first flange forming a predefined angle between the first flange and the second flange.

The design and use of a simplified, highly efficient, waveguide-based wireless distribution system are provided. A low-loss waveguide is used to transport wireless signals from a signal source or sources to one or more receiver locations. One or more adjustable signal coupling devices partially insert into the waveguide at predetermined locations along the length of the system to provide variable, controlled extraction of one or more wireless signals. Low-loss impedance matching circuitry is provided between the waveguide coupling devices and output connectors to maintain high system efficiency. The system offers the capability of supplying signals of high strength and high quality to a large number of receivers in a wide wireless coverage area via a plurality of signal radiators. Some embodiments of the system are readily adaptable for wireless distribution service in HVAC plenum spaces. A system that combines the functions of fire extinguishing and waveguide wireless distribution is also disclosed.

Provided is a battery pack that can uniformly cool a plurality of electric cells, prevent a breakdown of the electric cells, and provide high performance of all electric cells. The battery pack includes a packaging case in which: each adjacent ones of a plurality of electric cells in the first direction define a ventilation space; first and second passages are defined that extend in the first direction and that are arranged to have the plurality of electric cells located between the first and second passages in a second direction intersecting the first direction, wherein gas supplied to the first passage flows through the ventilation spaces to the second passage; and a flow rate limitation device is provided that is arranged in an upstream area of the first passage and that limits a flow rate of the gas flowing through one of the plurality of ventilation spaces, which leads to the upstream area of the first passage, to a predetermined flow rate.

In a battery pack including a plurality of prismatic rechargeable batteries arranged in parallel with ventilation spaces being provided therebetween, the battery pack is constituted so that cooling air is downwardly sent from above the battery pack through the ventilation spaces. In accordance with a temperature detected with a temperature detection sensor attached to the lower end of the rechargeable battery, a blower fan is controlled by a control section. Moreover, a sensor placement concave, which is separated from a space inside a battery case through a thin partition wall, is provided on a bottom wall of the battery case of the rechargeable battery. The temperature detection sensor is placed in the sensor placement concave so as to be pressed against the partition wall.

A leak detection tool applied to a high pressure gas leak detection method, comprising a packer and a detection gas-collecting casing; the packer is arranged in an oil string to be detected or a casing string or an auxiliary tube, is located at two sides of a connecting thread buckle part to be detected and likely to leak, and is used for establishing inner confined space which is capable of filling with tracer gas and is otherwise called plenum space; the detection gas-collecting casing is arranged outside the oil string or the casing string or the auxiliary tube, is located in the connecting thread buckle part likely to leak, and covers the connecting thread buckle part to establish outer confined space which is capable of detecting leak and is otherwise called detection space; the plenum space is connected with a high pressure vent pipe on a pressurized container to facilitate high pressure tracer gas to enter. The detection space is connected with a detector of the tracer gas by being provided with a pipeline. The leak detection tool provided by the invention has simple structure, high detection reliability and convenient and practical field operation.

Disclosed in this specification is a luminaire with a vented iris controller disposed on the external surface of the housing of the luminaire. The controller is for dilating and constricting the iris, thus controlling the size of the illuminated spot, wherein the iris controller is comprised of a hollow cylinder, rotatable relative to the housing. The cylinder has an inner ring and an outer ring, wherein the inner ring and outer ring are connected by a plurality of braces and vented spaces are present between each of the braces. Advantageously, the vented spaces help keep the outer ring cool, thus facilitating the operation of the iris controller by a user.

In a wall exterior structure, an exterior base is formed of a number of vertical furring strips and a number of lateral furring strips, which are arranged in lattice to each other, each furring strip being a C-shaped channel material. A latch tongue, formed to an upright piece of each vertical furring strip, is latched to an upper through hole in each lateral furring strip. The upright piece is disposed at the position where a vertical furring strip intersects a lateral furring strip. The exterior base is provided by fixing the vertical furring strips on the surface of an outer heat insulating layer. An exterior material is hung to the exterior base so that an outer wall is made through a simple work. A ventilation space of about 5 mm, depending on the thickness of the vertical furring strip, is defined outside the outer heat insulating layer. The ventilation space is generally about 2 cm in thick. Hence, the reduced ventilation space can improve the heat insulation property of a building.

Spacers and a spacing strip for use in an outer wall of a building between the outer vertical surface of its underlying structure and the inner surface of siding through which the siding is nailed to the underlying structure to provide a ventilation space between the rear surface of the siding and the outer surface of the underlying structure. Ventilation channels can be provided at both the lower and upper ends of the ventilation space to facilitate movement of air to the atmosphere from such a ventilation space.

The invention relates to a traction motor for locomotives, in particular to a self-ventilating motor with high-efficiency cooling and heat dissipation. High-efficiency cooling and heat-dissipating self-ventilated motor, including rotor, base, and end cover, wherein the rotor includes a rotating shaft and a centrifugal fan, the base includes a stator core and a casing, and the casing is provided with an outer circular air inlet and an outer circular air outlet. There is an air inlet on the cover, the stator core is fixed on the casing through ribs, there is a ventilation space between the stator core and the inner wall of the casing, and there is an axial ventilation hole on the rotating shaft, thus forming four air passage structures. The heat source stator winding, stator core, bearing and rotor core in the motor with the unique cooling air path structure of the present invention are well cooled, and the generated heat can be well taken away. The motor with the structure of the invention has the characteristics of excellent cooling and heat dissipation capacity, and is especially suitable for the performance requirements of the traction motor by vehicle users.

An in-vehicle battery module includes a plurality of cylindrical battery cells, a battery cell holder, a protective case, a vent cover provided such that the battery cell holder is positioned between the protective case and the vent cover, the vent cover and the battery cell holder disposed such that a vent space in which gas discharged from an end face on a second-electrode side of the cylindrical battery cell flows is provided between the vent cover and the battery cell holder, at least one first-electrode bus bar, at least one second-electrode bus bar provided in the vent space, and a support member disposed partially in the vent space and the support member being configured to support the second-electrode bus bar from the vent cover side.

Present invention relates to a storage and retrieval facility for storing and retrieving items (3) to and from an overhead storage area comprising a conveyor vehicle (1) for transporting the items (3) to and from the storage said conveyor vehicle (1) is equipped with a detachably integrated elevator (2) to lift the items (3) on the vehicle (1) and then carrying them to the storage area and also to lift the items (3) one above the other in the storage area and vice versa and in that the vehicle (1) is equipped to run in straight lines and change directions, wherein the conveyor vehicle (1) is a rail guided vehicle which is equipped to move along a network of rails comprising straight rails (4) and turning plates (5), the rails being mounted to an attic floor or directly on ceiling joists or on the plenum space above a dropped ceiling.

A sanitary toilet employs a soft flat tube at the outlet neck at the outlet of the toilet bowl. This soft flat tube extends through the drain opening into the sanitary drain to permit passage of waste into the sanitary sewer drain. A water inlet pipe produce a water spray or jet into the bowl, and a valve limits the flow of water to about 0.3 to 1.0 liters per use. The toilet has a vent inlet within the toilet bowl beneath the seat, a blower that induces a flow of air into the vent inlet, and an exhaust conduit from the blower that discharges to a vented space outside the bathroom. The unit may be formed of a micrite material.

A water permeable sealed container for preservation of produce such as fruit, vegetables and flowers made out of three layer laminate corrugated to form, further three to five layer construct. The layers also include a layer of Kraft paper fluting and layer of polymer which is enclosed between two layers of Kraft paper. The container has a lid, which absorbs water vapor and transmits water vapor from the interior of the container to the exterior through micro perforations. The container can also regulate relative humidity within a range of 75% to 85% for some foods by removing moisture from the food generated from respiration and suppressing product decay due to microorganisms. The laminate may be die cut to be formed into a range of box designs for vertical profiles that provide ventilation spaces between containers in a vertical stack and to provide airflow channels within a stack.

An electric power tool includes a tool body having a rotor, an inner cylindrical body and outer cylindrical body. The rotor is provided with a ventilation space therearound, a body part and a brush contact part, and housed in the inner cylindrical body. The inner cylindrical body is inserted in the outer cylindrical body which has a plurality of groove-like ventilation spaces on its inner face. The rotation of a fan fitted on the rotor circulates air within the tool body through the ventilation spaces so as to cool down the body part and the brush contact part of the rotor. The electric power tool has the rotor with which not only the body part but also other heated parts are fully cooled down. The electric power tool enhances heat dissipation efficiency from a motor case, enables efficient cooling of heated parts and has a long durability.

An electrical connector includes an insulating body having a bottom surface, a receiving groove formed in the bottom surface, and at least one support block projecting downwardly from the bottom surface for connection with a circuit board and cooperating with the bottom surface to define a venting space that communicates with the receiving groove and a solder hole in the circuit board. A conductive terminal includes a first positioning portion extending into and positioned in the receiving groove, and a second positioning portion connected to the first positioning portion and extending through the venting space and adapted to be positioned in the solder hole.

A system comprises a blower for moving a volume of air. A motor is operable for controlling the blower. A cooling unit is operable for cooling bearings of the blower during operation. An intake conduit is configured for passing heated air from a plenum space atop of a paint spray booth enclosure to the blower. A delivery conduit delivers the heated air to a plurality of locations within the paint spray booth enclosure. A plurality of air knifes are joined to the delivery conduit at the plurality of locations to deliver a laminar flow of the heated air into the paint spray booth. A plurality of comb devices, each joined to a one of the plurality of air knifes, are configured to disrupt the laminar flow to produce a turbulent flow in which an object within the paint spray booth enclosure is surrounded by the turbulent flow of heated air.

The invention discloses a white light LED illuminating lamp which includes a lamp housing (1), a cool color LED light source (2) arranged in the lamp housing (1) and connected with a constant current regulated power supply, and a light pervious carrier (4) coated with a fluorescent material layer; the invention also includes a light pervious layer (3); the cool color LED light source (2) and the light pervious layer (3) are sealed in the same space; the light pervious carrier (4) coated with the fluorescent material layer is arranged in front of the light pervious layer (3); and the air space is left between the light pervious carrier (4) and the light pervious layer (3). The manufacturing method thereof comprises the steps as follows: the cool color LED light source is prepared; the prepared cool color LED light source (2) is sealed with the light pervious layer (3) and is arranged in the lamp housing (1); the light pervious carrier (4) coated with the fluorescent material layer is arranged on the lamp housing (1) in front of the light pervious layer (3) to form the white light LED. The white light LED illuminating lamp of the invention can greatly reduce glare, and has ideal heat dispersion and flexible overall pattern.

An improved plasma arc waste processing system has a crucible formed in a horizontally elongated shape with a low-ceiling-height plenum space above a melt pool and a waste input feed arranged sideways into the crucible. The plenum space conducts the off-gases through a channel into a horizontally adjacent, thermal resonant chamber. The combined volume of the plenum space and thermal resonant chamber provides a high ratio of plenum volume to surface area of melt pool for efficient pyrolization of waste at high throughput rates. The crucible and other system components can be arranged in standard sized cargo containers, to be modularly transported and assembled in populated areas or transported to and from remote areas, such as in medical crisis zones, military deployments, and war zones. As a further improvement, a water injector is used to inject water into the plasma field to remove excess carbon and form useful gas byrpoducts.