Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24F - Air-conditioning; Air-humidification; Ventilation; Use of air currents for screening › F24F 13 - Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
Patents for F24F 13 - Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening (38,954)
09/1991
09/18/1991EP0447369A1 Constant vacuum pneumatic sucking device in particular for application to spinning frames
09/18/1991EP0446557A2 Floor outlet for a room ventilating system
09/18/1991CN2085045U Horn-shaped wind guiding device
09/17/1991US5048304 Portable air conditioning apparatus having large water supplying capacity to evaporation type condenser therein
09/17/1991US5048253 Louver with maximum free area
09/17/1991CA1288997C Fluid flow control nozzles
09/12/1991DE4007416A1 Air outlet duct for air conditioning or ventilation system - has sliding deflectors to control direction of outflowing air
09/11/1991EP0446136A1 Connection of a ventilating device to an external conduit
09/11/1991EP0445580A2 Installation for controlling an air circulation system
09/11/1991EP0254733B1 Intake air disperser
09/11/1991EP0187863B1 Air-flow control valve for an automotive air-conditioning apparatus and a method of producing the same
09/11/1991CN2084589U Rectangular direction changing wind guide device
09/10/1991US5046408 Hooded exhaust vent
09/10/1991US5046407 Roof window
09/10/1991US5046406 Adjustable louver assembly for a room air conditioner
09/10/1991US5046405 Air diffuser
09/07/1991CA2033512A1 Safety lock
09/05/1991WO1991013295A1 Ventilating device for shelters, in particular for mobile shelters
09/05/1991DE4041140A1 Air passage duct for room ventilation - has staggered plates behind air passage grating held by longitudinal stops
09/03/1991US5044402 Variable air volume terminal unit
09/03/1991US5044259 Air diffusion system capable of limited area control and adapted for supplying make-up air to an enclosure
09/03/1991CA1288273C Ventilator system
09/03/1991CA1288272C Air terminal
08/1991
08/29/1991DE4005914A1 Inner room heating or cooling element - is suspended from ceiling and comprises pipe system through which medium is pumped
08/28/1991EP0443279A1 Sound insulated air intake housing
08/28/1991EP0443193A2 Butt connection between two duct sections of sheet metal
08/28/1991EP0443050A2 Assembly for the operation of a damper door
08/27/1991US5043532 Integral type air conditioner
08/27/1991US5042575 Evaporator core having biocidal fixture
08/27/1991US5042368 Ventilation grill
08/27/1991US5042269 Fan coil unit with snap securing fan housing
08/27/1991CA1288056C Noise reduction spoiler for a damper
08/25/1991WO1991013294A1 Heating and cooling arrangement in particular as a structure suspended from a room ceiling
08/25/1991CA2075478A1 Heating and cooling arrangement in particular as a structure suspended from a room ceiling
08/24/1991CA2032569A1 Air inlet casing with improved sound attenuation
08/21/1991EP0442856A1 Supply air terminal device
08/21/1991EP0442834A1 Filter arrangement for air conditioner of industrial construction
08/21/1991CN1013610B Transition duct for centrifugal fan
08/20/1991CA1287771C Collapsible air deflector
08/14/1991DE4004343A1 Air filter frame - for rapid assembly of V=shaped filter inserts
08/14/1991DE4004301A1 Surface protection from sun - air-conditions rooms or cabins by using thin strips of wood or metal stacked horizontally one behind the other
08/08/1991WO1991011663A1 End sealing arrangement for louvres which have been attached by means of spindles to the register of an air conditioning duct
08/08/1991WO1991011662A1 Method for arranging inlet air flow and inlet air device
08/08/1991WO1991011661A1 Ventilation apparatus
08/07/1991EP0439736A2 Air outlet, especially ceiling air outlet
08/07/1991EP0439720A2 Weather-protection grille for a chimney
08/07/1991EP0439596A1 Bactericidal and fungicidal material for use in the manufacture of air-conditioning ducts.
08/06/1991US5038256 Lighting fixture with diffuser for light and air
08/06/1991US5036639 Plate for false floors
07/1991
07/31/1991EP0439345A2 Damper blade mounting
07/30/1991CA1286908C Air volume regulator valve
07/25/1991DE4101739A1 Air processing system esp. for air conditioning - has filter with degree of fouling sensor and air speed sensor in by-pass line
07/24/1991EP0438213A2 Airfoil lance apparatus
07/24/1991CN2081506U Multistep expanding module for refrigeration and air conditioner
07/23/1991US5033362 Air distribution outlet
07/23/1991US5033361 Ventilation equipment
07/17/1991CN2081057U Hood heat insulator for air conditioning system
07/16/1991US5031514 Apparatus and method for controlling the mixing of atmospheric air with return air from a building
07/10/1991EP0436239A1 Ventilation system
07/09/1991US5029810 High performance damper blade and damper seal combination
07/09/1991US5029452 Access panel including detachable portion to accommodate pipe penetration
07/09/1991CA1285728C Method of producing synthetic resin made articles having porous elastic member
07/04/1991DE4037287A1 Air outlet in ventilating duct system - has perforated cover with integral perforated filters
07/04/1991DE3943078A1 Link holder for air or gas ducts - has insert strips with protruding transverse ribs between opposite duct walls
07/03/1991EP0435000A2 Air outlet with filter
07/03/1991EP0190207B1 A valve device for the automatic control of an air intake dependent on varying humidity
07/02/1991US5027614 L-shaped one-package type air conditioner and a bracket for installing the same
06/1991
06/26/1991CN2079721U Cold-and hot wind shunting device for fan wormer
06/25/1991US5025711 Simultaneous temperature and mode selector for heating and cooling
06/25/1991CA1285272C Method of mixing two or more gas flows
06/25/1991CA1285171C Vortex valve flow controller in vav systems
06/20/1991DE4040539A1 Sound-proof fixing for air duct - consists of threaded rod screwed to bearer with nut and rubber buffer and metal washer
06/19/1991EP0432264A1 Work station using radiant air conditioning partition
06/19/1991CN2079270U Wind distribution transmission device
06/18/1991US5024263 Method and apparatus for the control of air flows and pressures in air-conditioning
06/12/1991EP0324770B1 Nozzle for discharging ventilation air from a ventilation system
06/12/1991CN1052180A Broad-band strip-type silencer
06/05/1991EP0430721A2 Ventilators
06/05/1991EP0430720A2 Improvements relating to ventilators
06/05/1991EP0430293A2 Ventilation box for a masonry wall
06/04/1991US5021932 Safety device for combined ventilator/light unit
06/04/1991US5020425 Spring rod hingeless ventilator
06/04/1991US5020423 Rotating blade damper with blade lock and stop mechanism
06/04/1991CA1284607C Duct pressure powered air volume controller
05/1991
05/29/1991EP0429322A1 Sound-insulated ventilator with automatic air regulation
05/29/1991DE3706219C1 Ventilation device for vehicles
05/21/1991US5016856 Inflatable bladder for control of fluid flow
05/21/1991US5016525 Air outlet for imparting a spin flow to air passing therethrough
05/21/1991US5016390 Opening in a building
05/18/1991CA2028599A1 Isophonic air admission box with self controlled aeration
05/16/1991WO1991006812A1 Valve assembly
05/15/1991EP0427626A1 Air treatment device with metal frame
05/15/1991EP0427583A1 Method of air conditioning of rooms equipped with a false floor
05/14/1991US5014964 Vent nozzle
05/14/1991US5014610 Air outlets in air conditioning units
05/14/1991US5014609 Inductive air passage
05/10/1991CA2002710A1 Fitted ventilation louvre
05/08/1991EP0426590A1 Layoutfor air diffusion in a building especially in livestock breeding
05/08/1991CN2076651U Vent of mechanal fan for barn
05/07/1991CA1283870C Air duct boot
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