73 results about "Plenum space" patented technology

To provide a water shielding device capable of preventing the position of a water absorption expansion material from being deviated or being washed away even when a water flow surging to a building is violent and a large water flow splashes in the horizontal direction, and capable of reliably exhibiting water shielding performance.SOLUTION: A water shielding device for water drip foundation includes: a vent hole for communicating an underfloor space of a building and the outside air; and an outside air opening in communication with the vent hole via a ventilation space, for introducing the outside air outside the building. The water shielding device includes an opposing piece for partitioning the vent hole and the outside air opening in the ventilation space and having an opposing surface opposing to the vent hole. On the opposing surface, a water absorption expansion material is mounted which expands by absorbing water and closes the vent hole.SELECTED DRAWING: Figure 3

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.

A suspended ceiling system in one embodiment includes a grid support member and a ceiling panel supported on the member. A resiliently compressible gasket is disposed at the interface between the grid support member and peripheral edge of the panel. The gasket may be fixedly attached to the panel peripheral edge in the factory under controlled conditions before shipment to the ceiling installation site. In one embodiment, the gasket may be adhesively attached to the panel. Mounting the ceiling panel on the grid support member compresses the gasket to preferably form a minimally visible air leakage resistant seal between the air plenum space above the ceiling panels and the occupied space below. This retards air exchange between the spaces which enhances heating / cooling efficiency, noise reduction and allows formation of pressurized clean rooms.

The present disclosure relates to a module and system for indoor farming. In some embodiments, an indoor farming module includes a container compartment divided into a grow zone and a control zone, wherein a grow zone comprises a chassis with a plurality of horizontal and vertical frame members configured to support a plurality of carts each carrying a tray with a plurality of plants and wherein the control zone includes an air blowing unit integrated so as to direct air between a drop ceiling and a structural ceiling of the indoor farming module and an air conditioning unit configured to condition an atmosphere in the grow zone by producing cool dry air that is blown into a plenum space located between the drop ceiling and a structural ceiling.

An air fryer includes an air fryer body and a ventilation system. The air fryer body includes a cooking container and a ventilation space divided into a first space, a second space, and a heat dissipation space. The ventilation system includes a first fan and a second fan. The first fan is located in the first space, and the second fan is located in the second space to drive air circulation in the second space and the heat dissipation space. The ventilation system includes an air outlet element having a first air outlet and a second air outlet. The first air outlet is connected to the first space, and the second air outlet is connected to the second space. A protruding enclosing wall of the air outlet element on a side of the air outlet element facing the second space and the heat dissipation space is elliptical.

A plenum conversion kit for enclosing an evaporator coil within a building's plenum is provided. The kit includes a flat panel, one or more S-cleats, duct tape, screws, and an angle bracket tailored for integrating an air conditioning evaporator coil during HVAC system upgrades or installations. This kit facilitates a seamless transition by allowing the evaporator coil to be installed within the plenum space of existing furnace systems without requiring extensive custom fabrication. The flat panel is designed with dimensions to accommodate common evaporator sizes and includes pre-measured fold lines and cuts to ensure accurate assembly. The primary advantage of this kit is its efficiency and convenience, significantly reducing installation time and material waste by providing all necessary components in one package. Additionally, the design of the kit promotes a stable and secure enclosure for the evaporator, enhancing system performance and durability.

The application relates to the technical field of building ventilation, in particular to an energy-saving air purification and ventilation integrated system, which comprises a wind cap base and a wind cap body, wherein the wind cap body comprises a supporting rod arranged on the wind cap base; a top cover and a base are sequentially sleeved on the supporting rod from top to bottom, and the top cover and the base can rotate around the supporting rod; a plurality of blades are rotationally connected between the top cover and the base, the plurality of blades are arranged along the circumference of the supporting rod, the top cover, the base and the plurality of blades jointly enclose a ventilation space, the ventilation space is communicated with the wind cap base, ventilation openings are formed between adjacent blades, the ventilation openings are communicated with the ventilation space; a plurality of supporting springs are connected between the base and the supporting rod, the plurality of supporting springs are arranged along the circumference of the supporting rod, the supporting springs extend along the radial direction of the supporting rod, and the inner ends of the supporting springs are rotationally connected with the supporting rod, and the outer ends of the supporting springs are fixedly connected with the base. The elasticity deformation of the supporting springs improves the wind resistance.

The efficient ventilation device based on the heating and ventilation engineering comprises an air inlet pipeline, a circular plate is arranged in the air inlet pipeline, a partition plate is fixedly connected to the left side of the circular plate, and the interior of the left end of the air inlet pipeline is divided into two ventilation spaces through the partition plate and the circular plate; two fan-shaped nets are symmetrically arranged on the left side of the air inlet pipeline, and arc-shaped connecting strips are fixedly connected to the outer sides of the two fan-shaped nets; the two sealing mechanisms are matched with the two fan-shaped nets correspondingly, each arc-shaped connecting strip is installed on the left side of the air inlet pipeline through a plurality of installation screws, the two fan-shaped nets are used for sealing the left sides of the two ventilation spaces, two fan-shaped openings are symmetrically formed in the right side of the circular plate, and the two fan-shaped openings are used for sealing the left sides of the two ventilation spaces. And two sealing plates are symmetrically arranged on the right side of the circular plate. In the using process of the device, the two fan-shaped nets are arranged and can be independently replaced, and even if one net body is detached, the ventilation device can still operate normally.

The utility model discloses a high-efficiency radiator, which relates to the technical field of radiators, aims to solve the problem of limited radiating effect of the traditional radiator, and is characterized in that a flow guide space I communicated with a ventilation slot I is formed between a fixed plate and a flow guide plate which are positioned on the same side of a radiating chamber; a plurality of first clamping grooves communicating with the first ventilation grooves are formed in the length side of the heat dissipation chamber in a penetrating mode, heat conduction plates are detachably connected into the first clamping grooves, heat dissipation fins are detachably connected into the second clamping grooves, and second flow guide space is formed between the flow guide plate and the adjacent clamping plate. A first ventilation space communicating with the second ventilation groove and the second flow guide space is formed between every two adjacent heat dissipation fins. Heat in heating equipment can be conducted out in time due to the high heat conduction performance of the radiator, a good air circulation effect is formed in the radiator body through the first flow guide space and the second flow guide space, the temperature absorbed by the radiator body can be rapidly taken away, and the continuous and efficient heat dissipation effect of the radiator is achieved.

A suspended ceiling system in one embodiment includes a grid support member and a ceiling panel supported on the member. A resiliently compressible gasket is disposed at the interface between the grid support member and peripheral edge of the panel. The gasket may be fixedly attached to the panel peripheral edge in the factory under controlled conditions before shipment to the ceiling installation site. In one embodiment, the gasket may be adhesively attached to the panel. Mounting the ceiling panel on the grid support member compresses the gasket to preferably form a minimally visible air leakage resistant seal between the air plenum space above the ceiling panels and the occupied space below. This retards air exchange between the spaces which enhances heating / cooling efficiency, noise reduction and allows formation of pressurized clean rooms.

A driver assembly for a luminaire is disclosed. The driver assembly includes a housing designed to be capable of being inserted at least partially through an opening in the luminaire and into a plenum space. A plurality of components for driving the luminaire are locatable within the housing. The housing includes a first access section to enable a line voltage connection to the driver prior to insertion into the opening. An enclosure plate, coupled to the housing, having a second access section. The enclosure plate provides a cover for the opening, and enables coupling of the driver assembly to the luminaire. The second access section enables low voltage connections between the driver and the components after insertion of the driver assembly into the opening. A method of installation for the driver assemblies is also disclosed.

The invention relates to a fuel rod for a water-cooled water-moderated nuclear reactor. In the proposed fuel rod, there is disposed below the fuel column a spacing element which forms a bottom plenum space and which is pressed against a bottom plug by the fuel column with the aid of a fastening spring. The spacing element consists of a housing in the form of a tube, which has stoppers press-fitted to the ends thereof, said stoppers having axially aligned through-openings and having slots in the outer end faces thereof for admitting helium into the inner cavity of the spacing element. The bottom plug has a stepped profile, and the middle portion thereof, which is disposed outside the cylindrical cladding, has a diameter that is greater than the outside diameter of the cylindrical cladding. The bottom end of the bottom plug has a toroidal surface, the cross-section of which is not greater than the outside diameter of the cylindrical cladding. The technical result is that of increasing the fuel charge, improving the energy efficiency and increasing the operating reliability and safety of a fuel rod for a water-cooled water-moderated nuclear reactor, as well as simplifying the assembly process, and facilitating repair in the event of depressurization of the fuel rod.

The utility model relates to a ventilation and air exchange device related technical field, concretely is a kind of ventilation and air exchange device for dehydration workshop, including flange, axial fan cover and impeller mounting frame and installation component, fixed place on the flange is equipped with axial fan cover, in the utility model, axial fan cover and ventilation axial fan whole assembly are on ventilation and air exchange device, ventilation and air exchange device drives ventilation axial fan and axial fan cover, utilize the axial thrust generated when impeller rotates, push air along axial flow, realize the ventilation and air exchange of large area, user again folds collapsible wing type ventilation cover to flange, make ventilation axial fan expose to dehydration workshop, not only can expand ventilation and air exchange device ventilation space, ventilation cover and built-in hole can also expand ventilation and air exchange air port, expand dehydration workshop ventilation and air exchange air port, axial fan cover and ventilation axial fan improve dehydration workshop ventilation speed.

The invention relates to a sealing arrangement in a housing (1) with a housing opening (3) that can be closed with a housing cover (7) having a sealing channel (10) with a sealing element (9) inserted therein. The sealing element (9) is formed from a round base body (8), from the outer circumference of which retaining studs (13) project radially outwardly in a circumferentially distributed manner. In the assembled state, these retaining studs press against a radially outer sealing channel side wall (15) that acts as a counter-retaining surface, in particular to provide security against falling out of the sealing channel (10) during assembly, in particular overhead assembly. According to the invention, at least one pocket-shaped ventilation space (19) is formed between adjacent retaining studs (13) of the sealing element (9), viewed in the circumferential direction, which can be ventilated from the outside and / or from which water can drain in order to prevent crevice corrosion.

To keep precision for detecting a temperature of a fixing device while simplifying the configuration of the fixing device.SOLUTION: An image-forming device 1 provides a thermopile hole 35 for connecting a heat-insulating duct internal space 32 and the side of a fixing unit 17 in a direction that opposes a thermopile section 60, and a holding member 42 for holding the thermopile section 60 supported by a heat-insulating duct rear sideplate 30b in the heat-insulating duct internal space 32, the holding member 42 is provided between an air path breaking ridge line 50 and a duct joining surface 44S formed continuously from the side of an exhaust fan 23 to the side of an intake fan 22 relative to the thermopile hole 35, and the holding member 42 and the heat-insulating duct rear sideplate 30b in the side of the intake fan 22 relative to the thermopile section 60, and a holder ventilation space 52 and a cover ventilation space 59 that connects the heat-insulating internal space 32 and the thermopile hole 35, and branches cooling air Ca taken in by the intake fan 22 and allows the cooling air to go toward the thermopile hole 35 are formed.SELECTED DRAWING: Figure 8

The present disclosure relates to a module and system for indoor farming. In some embodiments, an indoor farming module includes a container compartment divided into a grow zone and a control zone, wherein a grow zone comprises a chassis with a plurality of horizontal and vertical frame members configured to support a plurality of carts each carrying a tray with a plurality of plants and wherein the control zone includes an air blowing unit integrated so as to direct air between a drop ceiling and a structural ceiling of the indoor farming module and an air conditioning unit configured to condition an atmosphere in the grow zone by producing cool dry air that is blown into a plenum space located between the drop ceiling and a structural ceiling.

The invention of the present application provides a fuse in which a fused section of a fuse element is visually inspectable from the outside and, furthermore, a housing is not readily damaged when the fused section of the fuse element burns through. The fuse (900) comprises a fuse element (100) and a housing (500) in which a fused section (120) of the fuse element (100) is received, and is characterized in that a visual inspection window (240) is provided in the housing (500) at a position corresponding to the fused section (120), a cover element (600) overlapping the visual inspection window (240) is attached to the housing (500), and a ventilation space (X1) is formed between the cover element (600) and the housing (500).

This description relates to a module and system for indoor cultivation. In some embodiments, an indoor cultivation module includes a container compartment divided into a growth zone and a control zone, where a growth zone comprises a chassis with a plurality of horizontal and vertical frame members configured to support a plurality of trolleys, each with a tray containing a plurality of plants, and where the control zone includes an integrated air blowing unit for directing air between a suspended ceiling and a structural ceiling of the indoor cultivation module and an air conditioning unit configured to condition an atmosphere in the growth zone by producing fresh dry air that is injected into a plenum space located between the suspended ceiling and a structural ceiling.

A stiffener (30) extending in the vertical direction is embedded in a rear surface (2a) near both side edges of a concrete panel (2) such that a part of the stiffener protrudes to the indoor side. A felt mat-like fireproof covering material (70) superimposed on the indoor side is fastened to the rear surface (2a) of the concrete panel (2) by fasteners (9) composed of a concrete screw and a washer. The fasteners (9) are respectively arranged at a predetermined pitch in vertical rows closer to the end edge side than the stiffener (30) and closer to the center side than the stiffener (30). The fasteners (9) in each row are arranged in a zigzag manner with the left and right heights thereof being different from each other. As a result, hot air flowing into the joints from the outdoor side is prevented from flowing into a ventilation space beyond the stiffeners (30) while ensuring an appropriate ventilation space between the left and right stiffeners (30).

To provide a system that provides a house with first class ventilation and air conditioning throughout the building without ventilating each room directly with the outside nor use a long air supply duct and an underfloor space, an inter-story space or an attic space as a ventilation space in order to improve cleaning of supplied air, costs, maintainability, and sound insulation.SOLUTION: A first class ventilation device is nearby a main living room, and an air supply port and an air-conditioning device are in the main living room. Air-conditioned ventilation air flows to a sanitary room with an exhaust port, and the air-conditioned ventilation air which is flowing is diverted by a non-heat exchange ventilation fan in a wall of a sub-living room to reach respective rooms, thereby covering all living rooms.SELECTED DRAWING: Figure 1

The invention relates to a ventilation profile for actively ventilating and / or extracting air from a building waterproofing system, wherein the building waterproofing system protects and / or seals a wall of a building, in particular a house, on an outer surface of the wall by means of a moisture-proof or moisture-resistant protective layer against penetrating moisture from surrounding soil, wherein the protective layer is arranged in a protective layer plane spaced from the wall by means of spacers between the wall and surrounding soil and thus a ventilation space is formed between the protective layer and the wall, wherein a connecting strip is arranged on an upper connecting line of the protective layer along a connecting axis and the protective layer is connected to the wall at an upper connecting line by means of the connecting strip, wherein the connecting strip has at least one fluid-carrying ventilation access to the ventilation space.Furthermore, the invention relates to a building seal with such a ventilation profile and a method for actively ventilating and / or de-ventilating a building seal in several steps.

To provide a sash unit capable of easily constructing an air flow window system with minimum construction.SOLUTION: The sash unit 10 is attached to a window 3 of a new or existing building, and includes a sash body 11 having an upper frame part, a lower frame part side 11b and a pair of side frame parts, a panel body 12 attached to the inside of the sash body 11 and defining a ventilation space 13 between the panel body 12 and a window glass 5 provided in the window 3, and the lower frame part side 11b. This sash unit 10 has an introducing passage 14 communicating with a room 6 of a building and a ventilating space 13, a blower 30 arranged inside a lower frame part 11b and sending air in the room 6 to the ventilating space 13 through the introducing passage 14, and a discharge passage arranged in an upper frame part and communicating with the ventilating space 13 and the room 6.SELECTED DRAWING: Figure 5

The present invention discloses a method for reducing the temperature difference of the stator of a long-core permanent magnet wind turbine at high altitude, and relates to the technical field of ventilation and cooling of permanent magnet direct-drive wind turbines. In the present invention, cooling air enters an annular space from an air inlet duct to cool the non-driving end of the stator coil. At the same time, cooling air enters an air inlet cavity from the annular space, and the cooling air flows from the air inlet cavity to radial ventilation channels distributed circumferentially on the corresponding stator core, and enters an air gap. The cooling air flows from the air gap to an air outlet cavity, which corresponds to radial ventilation channels distributed circumferentially on the stator core, and then enters the air outlet cavity, and is discharged from a first air outlet duct installed on the ventilation space at the driving end. Each section of the stator core and the stator coil at each section of the stator core obtain more sufficient cooling air, thereby improving the cooling effect, reducing the stator temperature difference, and improving the cooling air utilization efficiency, thereby adapting to the unfavorable conditions of lower air density in high altitude areas.

A ventilation apparatus includes a housing having an outdoor air inlet, an outdoor air outlet, an indoor air inlet, and an indoor air outlet; a partition dividing an inner space of the housing into a ventilation space and an air conditioning space; a total heat exchange element inside the ventilation space and having four side edges respectively disposed to face four side surfaces of the housing; four partition walls configured to respectively connect the four side edges of the total heat exchange element and the four side surfaces of the housing to partition the ventilation space into an outdoor air discharge space, an indoor air inlet space, and an indoor air discharge space; guide ducts respectively provided in the outdoor air discharge space, the indoor air inlet space, and the indoor air discharge space; and a bypass duct branching from the guide duct provided in the indoor air inlet space.

A work in progress includes: a pair of glass substrates arranged to face each other; a peripheral wall having a frame shape and disposed between the pair of glass substrates; a boundary wall; and an evacuation port. The boundary wall hermetically separates an internal space, surrounded with the pair of glass substrates and the peripheral wall, into an evacuation space, a buffer space, and a ventilation space. The evacuation port connects the ventilation space to an external environment. The evacuation space and the buffer space have a lower internal pressure than the ventilation space. A predetermined part, including the evacuation space but excluding parts covering the buffer space and the ventilation space, of the work in progress, forms the glass panel unit.

This blower unit comprises: a box part (11) disposed in a plenum space above a target space (S); and a nozzle part (20) which is disposed below the box part (11) and which blows air in the box part (11) downward into the target space (S). The nozzle part (20) has: a tapered tubular part (24) formed such that the opening area thereof increases proceeding from above to below; a duct expansion part (26) disposed on the inner side of the tubular part (24) and forming annular air flow paths (P1 to P4) that expand outward in the radial direction of the tubular part (24) proceeding from above to below; and an airflow regulating part (27) provided below the tubular part (24) to regulate the flow of the air flowing through the tubular part (24) so as to be oriented in the tube axis direction.

A water harvesting unit may include a chamber and a vessel. The chamber may include a first plenum space and a second plenum space located on either side of a partition member. The vessel may be supported for rotation within the chamber. The vessel may include a base and a plurality of sidewalls. The plurality of sidewalls may extend from the base to a vessel opening. The base may be substantially fluid impermeable and at least a portion of the plurality of sidewalls may be fluid permeable. The base and a majority of the plurality of sidewalls of the vessel may be disposed in the first plenum space. The vessel opening may open to the second plenum space via an opening in the partition member.

The premixing burner comprises a burner shell body, a burner shell core seat and a burner core, a premixing cavity is defined by the burner shell body, the burner shell core seat and the burner core, a premixing part is installed in the premixing cavity and divides the premixing cavity into an upper premixing cavity and a lower premixing cavity which are distributed up and down, the burner core is provided with an air outlet communicated with the upper premixing cavity, and the lower premixing cavity is provided with an air outlet communicated with the lower premixing cavity. The furnace shell body is provided with a gas inlet communicated with the lower premixing cavity, a ventilation space is formed in the bottom of the upper premixing cavity, the premixing part is provided with a plurality of air guide channels circumferentially arranged around the axis of the premixing part at intervals, air inlets of the air guide channels are formed in the bottoms of the air guide channels and communicated with the lower premixing cavity, and the bottoms of the air guide channels are communicated with the lower premixing cavity. The ventilation space is arranged on the radial outer side of the air guide channel, and an air outlet of the air guide channel faces the ventilation space and communicates with the ventilation space. The utility model aims to provide a premixing furnace end which has the effects of enhanced mixing effect, simple structure and low cost.

A heating system with wraparound heat exchanger is disclosed. The system includes a centrifugal fan that expels air radially into a plenum space. A heat exchanger tube is placed in the plenum space, thereby heating the air in the plenum space before it exits an assembly cabinet. The heat exchanger tube can have various configurations, including non-horizontal configurations so as to allow condensate to drain from the heat exchanger tubes.