Class 454/269 - With air pump

Subclass of Class 454 - Ventilation
Definition: Subject matter wherein the air admitting means includes
No. of patents: 35
Last issue date: 07/31/2007

Number	Title	Issue Date
7250000	Building with improved vent arrangement A system and method of vent placement within a building is provided for improved passive ventilation. Vents are provided within the dividing structures or material layers that form the building's exterior and interior walls, ceiling, roof, floor, and/or intermediate...	07/31/2007
7074122	Air stream mixing conduit in an air handling module An air handling module for the air conditioning system of a motor vehicle is provided, including a housing having a first portion defining a first path and a second portion defining a second path and a conduit having first and second ends and an enclosed passageway ...	07/11/2006
7011578	Plenum and diffuser for heating, ventilating and air conditioning applications A plenum and diffuser for use with an HVAC system for distributing air through an opening in a ceiling, the plenum having a large diameter bottom opening by which air is passed through an opening in the ceiling, and having an air inlet opening. A hanger bar extends ...	03/14/2006
6878056	Static air mixing apparatus A fixed blade air mixing apparatus includes a plurality of radially extending vanes which extend away from a common center and terminate at their outer ends within a polygonal shaped enclosure. The plurality of vanes may include an inner section which is curved or p...	04/12/2005
6595848	Static air mixing apparatus A fixed blade air mixing apparatus includes a plurality of radially extending vanes which extend away from a common center and terminate at their outer ends within a polygonal shaped enclosure. The plurality of vanes include an inner section which is curv...	07/22/2003
6368207	Automotive heating, ventilating and air conditioning module with improved air mixing An HVAC housing includes a novel structure to aid the mixing of hot and cold air downstream of the evaporator and heater core. A series of space, parallel, C shaped channels running transverse to the cold air stream and generally in line with the hot air ...	04/09/2002
6210268	Air mixer for static mixing of two air streams The air mixer defined herein serves for static mixing of a heated air stream in a flow channel of a circulated air stream upstream of a heat treatment chamber for drying textile goods or tissue webs for example. For this purpose the air mixer is provided ...	04/03/2001
6168517	Recirculating air mixer and fan with lateral air flow An air circulation and mixing device is disclosed which can cover a ceiling air ventilation duct, taking air discharged from the duct and drawing air at the room's ceiling, mixing the two, and redirecting the mixed air so that it is discharged radially an...	01/02/2001
6106386	Air flow mixing apparatus A mixing device for mixing two air flows has plural first flexible curtains disposed between first edge regions of alternate pairs of air guides, and a plurality of second flexible curtains disposed between second edge regions of alternate pairs of air gu...	08/22/2000
6079626	Terminal unit with active diffuser In building environmental control, primary HVAC services are distributed to multiple terminal units. An active diffuser terminal unit has a variable speed fan to controllably draw room air into the unit for reheating the air; and, conversely, to force con...	06/27/2000
5988263	Mixing device for air conditioning system An air flow mixer structure for a vehicle air conditioning system has a first conduit for a first air flow, a second conduit for a second air flow, an opening between said first and second conduits for merging said first and second air flows in a merging ...	11/23/1999
5645481	Static air mixing apparatus A static air mixing apparatus for mixing of air passing through a space of duct. The apparatus includes an inner enclosure at least partially traversing the duct, an outer enclosure surrounding the inner enclosure, a first plurality of radial vanes extend...	07/08/1997
5536207	Static air mixing apparatus A static air mixing apparatus for mixing of air passing through a space or duct. The apparatus includes an inner enclosure at least partially traversing the duct, an outer enclosure surrounding the inner enclosure, a first plurality of radial vanes extend...	07/16/1996
5404934	Retrofit air conditioning system A retrofit air conditioning system for use with an existing induction air conditioning system is disclosed, wherein the existing system includes a central fan unit supplying air to a plurality of distribution units in corresponding rooms. The retrofit air...	04/11/1995
5368521	Fluid distributor for stratified mixing of air streams A novel plenum chamber and system for the mixing and subsequent distribution of two different fluids. In the preferred example the fluid is air and the chamber mixes fresh and recycled air proportionately and subsequently distributes the air stream throug...	11/29/1994
5359860	Method and apparatus for controlling a temperature in a refrigerating chamber of a refrigerator A method and apparatus for controlling a temperature in a refrigerating chamber of a refrigerator by sensing the temperature of cold-air by firsh and second temperature sensors disposed in the vicinity of cold-air suction and in feed ports, and finely adj...	11/01/1994
5318099	Method and apparatus for emulating a perimeter induction unit air conditioning system A method and apparatus for emulating a perimeter induction unit, in which the perimeter induction unit is replaced by an emulation unit carried in a plenum above the space to be heated or cooled. A temperature sensor is mounted within the space, and a com...	06/07/1994
5236393	Bypass damper in series-type ventilation fan A series-type fan includes an air intake exposed to both ambient and forced ventilation air, a variable capacity fan, and multiple ports positioned downstream from the fan. One of the ports has a damper attached thereto which closes when the fan is de-ene...	08/17/1993
5127878	Mixing box An improved mixing box is disclosed. The mixing box comprises an inlet end, an outlet end, a substantially closed first passage to which primary air flows from a primary air inlet and then through induction means and to and from the outlet end. The induct...	07/07/1992
4828019	Indoor unit for room air conditioners and air conditioning system using the same An air conditioning system includes a first indoor unit having a heat exchanger separating the inside space of a case in which air drawn from an air inlet is passed through the heat exchanger and then discharged from a plurality of air outlets, and a seco...	05/09/1989
4775001	Zoned air conditioning system A zoned air conditioning system using a room air terminal which has the same horizontal dimensions as a floor tile of a raised tile floor such that the terminal may replace one tile in such a floor. The terminal includes a cool air inlet below the floor f...	10/04/1988
4560103	Apparatus for heating and ventilating Apparatus for heating and ventilating vehicle compartments. For temperature control, two parallel ducts are provided. A heat exchanger is located in only one of the ducts. A separate blower is associated with each of the ducts, whereby the speed of both b...	12/24/1985
4519217	Supermarket environmental control system An air temperature regulating or conditioning control apparatus for use in a space having one or more refrigerated display fixtures. The fixtures have an open refrigerated display zone separated from the conditioned room space by one or more planes (curta...	05/28/1985
4495858	Fixed blade air blender apparatus A fixed blade air mixing apparatus is characterized in particular by having a plurality of radially extending vanes which extend away from a common center and terminate at their outer ends in a generally polygonal shaped enclosure. The apparatus is princi...	01/29/1985
4470342	Air-handling unit The present invention provides an air-handling unit that can supply air, to a desired space, which is cold, which is cooler than the set point of the thermostat for that space and hence is referred to as cool air, which is warmer than that set point and h...	09/11/1984
4446774	Air conditioning apparatus Air conditioning apparatus is disclosed. The apparatus is a terminal of the mixing type, receiving primary conditioned air, and delivering that air or a mixture including that air and recirculated air as required, for air conditioning. The rate at which p...	05/08/1984
4426917	Method of and apparatus for conditioning the atmosphere of a space The invention relates to a method of and apparatus for conditioning the atmosphere of a space, in which ventilating air of the space 3 is mixed with heated or cooled air by induction round clusters of jets 8 which are fed with heated or cooled air from an...	01/24/1984
4352453	Fan control for variable air volume terminal unit Disclosed is a terminal unit for an air conditioning system. The apparatus has a common chamber for primary and secondary air and a throttling valve at the primary air duct connection controlled by a zone thermostat. The terminal unit fan is independently...	10/05/1982
4315412	Air conditioning apparatus utilizing solar energy and method Air conditioning apparatus is disclosed. The apparatus is a terminal of the mixing type, receiving primary conditioned air, and delivering that air or a mixture including that air and recirculated air as required, for air conditioning. The rate at which p...	02/16/1982
4249461	Ventilating system for a livestock building A ventilating system for a livestock building includes a substantially enclosed building structure having a ceiling with an attic compartment above it and a livestock compartment below it. An elongated air conduit extends through the building structure su...	02/10/1981
4213447	Air distribution control system An air distribution control system is specifically adaptable for use with a solar heating installation and utilizes a common plenum having a plurality of damper controlled openings which can be opened and closed in different combinations to regulate the f...	07/22/1980
4084616	Fluid proportioning device A fluid proportioning device which operates in a linear fashion and has a constant-volume output as a function of damper position. A sheet of flexible material is moved against a plate having two groups of apertures which are in respective fluid connectio...	04/18/1978
4084389	Air conditioning apparatus Air conditioning apparatus is disclosed. The apparatus is a terminal of the mixing type, receiving primary conditioned air, and delivering that air or a mixture including that air and recirculated air as required, for air conditioning. The rate at which p...	04/18/1978
4078576	Gas mixer A gas mixer for mixing two or more gases of different quantities and physical characteristics includes a gas inlet chamber and a gas mixing chamber in gaseous communication with the gas inlet chamber. Pairs of gas inlet ducts face one another across the g...	03/14/1978
3951205	Air-conditioning apparatus Disclosed is an air-conditioning apparatus for use in controlling the temperature of air in and delivered to a plurality of rooms or spaces. The apparatus has a central utility means which supplies a pressurized volume of cold air. Ducting is provided to ...	04/20/1976

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Class 454/269 - With air pump