Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 551 - 600 out of 1,580

Document Document Title
WO/1999/041146A1
An electrical power system (10) for an aircraft includes an ac generator bus (16), an air conditioning system ('ACS') generator (42) and a main engine generator (46). The ACS generator (42) supplies primary ac power to the bus (16) while...  
WO/1999/038773A1
An outflow valve for a cabin pressure control system of an aircraft cabin includes an aft door (26) that is modified to disrupt or increase speed of cabin air flowing past the aft door (26) and out of the outflow valve. The aft door (26)...  
WO/1999/034157A2
A low cost diaphragm actuated absolute pressure regulator (10). The regulator comprises a housing (11) having first and second sections (11a, 11b) that are secured together. The first section has a cavity (18) and a diaphragm (15) that s...  
WO/1999/032357A1
An environmental control system includes a turbomachine and an air cycle machine (14) that is driven by shaft power (24) of the turbomachine. The turbomachine includes a compressor (16), which supplies compressed bleed air to the air cyc...  
WO/1999/032358A1
An environmental control system includes a single heat exchanger (14), a single water separator (24) and two air cycle machines (18, 26) on separate spools. Cooling turbines (20, 28) of the air cycle machines (18, 26) are cascaded. Air f...  
WO/1999/024318A1
A two spool environmental control system includes a low pressure spool subsystem (40) having a low pressure turbine (28). A high pressure spool subsystem (39) is in air flow communication with the low pressure spool subsystem (40), while...  
WO/1999/020528A1
An air distribution valve (10) for use in a passageway of an environmental control system comprises a valve body (12) including an input (14), and multiple outputs (16, 18) defining a volume (24). The valve body is adapted for placement ...  
WO/1999/017958A1
A modular rack unit for use in a vehicle such as a coach consisting of an outer shell (2) and an inner shell (9). The inner shell (9) acts as a shelf for luggage and defines with the outer shell (2) an air conduit (5). The rack unit is s...  
WO/1999/012810A1
The need for engine bleed air in a cabin pressurizing/ventilation ECS system for aircraft is avoided in a construction including a pressurizable aircraft cabin (10) having a cabin air inlet (20) and a cabin air outlet (22). The system in...  
WO/1999/004858A1
A method of testing the performance of a an oxygen supply system (10) in any aircraft including an oxygen supply device (14) adapted to supply oxygen in varying concentrations within a product gas according to demand, in response to cont...  
WO/1999/002401A1
A method for conditioning water vapor bearing compressed air for supply as conditioned air to an enclosure includes the steps of flowing the compressed air into a condenser-evaporator heat exchanger (14) and then cooling the compressed a...  
WO/1999/002399A1
An air cycle environmental control system regenerates energy through the provision of a reheater condenser (19) that condenses water vapor from compressed air. The condensed water vapor is extracted by a water extractor (21) to produce d...  
WO/1999/002400A1
An air cycle environmental control system regenerates energy through the provision of a reheater condenser (19) that condenses water vapor from compressed air. The condenser water vapor is extracted by a water extractor (21) to produce d...  
WO/1999/002402A1
An environmental control system includes an air cycle subsystem and a liquid cycle subsystem. The air cycle subsystem includes a liquid-to-air condenser, a liquid-to-air reheater downstream of the condenser, and a turbine downstream of t...  
WO/1998/048162A1
The present invention provides a novel aircraft subsystem that provides both electricity and conditioned air to the aircraft independently of the main engines. The subsystem includes turbomachinery comprising three independently rotating...  
WO/1998/046483A1
A system (10) for controlling the quality of the cabin air in an aircraft of the type having a cabin air recirculating system (37, 43) which introduces selectable amounts of fresh outside air, an arrangement (25, 27) for venting controll...  
WO/1998/044300A1
The invention relates to a differential valve, specially a cabin air discharge valve in the cabin pressure regulation system of an aircraft, particularly an airplane. The differential valve has a smaller first step (20) and a larger seco...  
WO/1998/028580A1
An air cycle air conditioning system (10) comprises a first air source (18) for supplying cooling air and a second air source (16) for supplying high temperature system air. The system (10) further includes a device (14) for transferring...  
WO/1998/027389A1
A bypass valve (12, 14, 214) for use with a componet of an air cycle machine (10) is disclosed, wherein the component includes a conditioning member, an inlet and an outlet. The air cycle machine (10) includes a component housing portion...  
WO/1998/023484A1
A system and method for automatically controlling cabin air temperature T�CBN? in an aircraft having a cabin and a mixed air delivery system. The mixed air delivery system provides a flow of mixed air having an actual mixed air tempera...  
WO/1998/022342A1
An air conditioning system for self-contained transporting units, especially for aircraft, railway wagons, etc., increasing the security of passenger traffic and/or freight carriage, which essence consists in equipping the partial output...  
WO/1998/014369A1
A method and apparatus for providing conditioned air to an aircraft (9) parked at an airport. An air conditioning unit (10) is able to accommodate various aircraft sizes. The unit uses two blowers (41, 42) to allow an increase in variati...  
WO/1998/013258A1
The present invention provides a multi-mode secondary power unit (14) comprising a first starter/generator unit (10) operably coupled to a shaft (20). The first starter/generator motor (10) is operable in a motor mode for causing rotatio...  
WO/1998/006480A1
An environmental control system for use in a transportation machine, with the system being effective for receiving and conditioning a heated, ozone-containing airstream prior to delivering the airstream to a habitable space within the ma...  
WO/1997/043178A1
The compression molded aircraft personal service unit and integrated oxygen dispensing system module housings (22) are formed by compression molding of a sheet molding material. The integrated oxygen dispensing system module can be mount...  
WO/1997/043179A1
The compression molded aircraft personal service unit and integrated oxygen module housings (22) are formed by compression molding of a sheet or bulk molding material. The integrated oxygen module (20) can be mounted separately in the ai...  
WO/1997/037890A1
An integrated environmental control system (10) is disclosed for providing conditioned supply air to loads such as a passenger cabin (56) of an aircraft. The system comprises at least two shafts (70, 78), each shaft having a fan (72, 80)...  
WO/1996/026398A1
The invention has the object to improve the efficiency of a cooled air cycle system having a compressor (1) for compressing air, heat exchangers (3, 4, 5) for cooling the compressed air, a water separator (6) withdrawing water from the c...  
WO/1996/025636A1
An apparatus and method for automatically regulating the environmental system of a motorized vehicle (V) and other articles having storage compartments. As impinging air flow is directed through the cabin or compartment subject to enviro...  
WO/1996/025329A1
An air mixer (10), with a water collector (46), is disclosed for supplying recirculated cabin air in aircraft. In the preferred embodiment: used cabin air flows over pipes of colder fresh air to cool the used air and condense out most of...  
WO/1996/020109A1
A dual-pack, aircraft environmental control system (100) has each pack (104, 108) dedicated to providing a temperature-controlled air supply to a corresponding compartment (144, 148), either the crew (144) or passenger (148), of the airc...  
WO/1996/016302A1
The invention relates to a refrigeration system of the air cycle cooling system type, also called reversed Brayton cycle in which the air flows through compressor means (12, 16), heat exchanger means (24) for withdrawal of heat from the ...  
WO/1996/009205A1
A passenger seat in a pressurisable aircraft cabin, in combination with air treatment means (6). The air treatment means is operable to take smoke laden air from the environment immediately at and to the fore of the seat, to process the ...  
WO/1996/003315A1
An air cycle environmental control system for an aircraft cabin is disclosed which utilizes cabin exhaust air (200) to power a first stage turbine (108). This provides a significant increase in compressor power which increases the turbin...  
WO/1995/027655A1
An environmental control system has an air cycle machine that includes a compressor (38), a cooling turbine (34), a motor/generator (36), and a power turbine (40) all mounted on a single shaft (32). The power turbine receives bleed air f...  
WO/1995/013467A1
A system for removing and/or preventing ice build-up on an aircraft includes at least one heat exchanger (10, 60, 66, 72, 78) mounted within an aperture (22) in the tailpipe of a gas turbine engine (14). The heat exchanger includes an in...  
WO/1995/007838A1
Device for renewing air in a pressurized aircraft cabin consisting of two pipes, a draw-off pipe (A) and a discharge pipe (B), linking the compressor (C) of the power unit to the cabin (D). Air is drawn from the compressor (C) at a press...  
WO/1994/020363A1
An air-conditioning and pressurisation method and apparatus for circulating air through a partially enclosed space (E) comprising a number of areas (Z1, Z2, Z3). According to the method, air is compressed and cooled before being fed to e...  
WO/1994/014651A1
A compact, lightweight integrated environmental control (IEC) system (10) for a helicopter incorporates in operative combination an environmental control system (ECS) and a nuclear/biological/chemical life support system (NBC LSS). The I...  
WO/1994/009903A1
An improved catalytic converter which comprises a metal monolith made of aluminum or aluminum alloy having an anodized surface layer on which is disposed catalytic metals, particularly noble metals from Group VIII and optionally base met...  
WO/1994/009276A1
An air cycle machine (10) has four wheels mounted on a common shaft (20) for rotation therewith about a longitudinal axis (12) including a second stage turbine rotor (30) mounted to a first end (20a) of the shaft, a fan rotor (40) mounte...  
WO/1994/007745A1
A cabin pressure controller includes primary and backup controllers, a selector and a display mounted onto or within a single housing. The primary and backup controllers communicate through a communication link, jumpered across an extern...  
WO/1993/019982A1
An air cycle machine (10) has a first stage turbine (60) mounted to a central portion of a common shaft (12), a compressor (50) mounted to the central portion of the shaft (12), a second stage turbine (30) mounted to a first end of the s...  
WO/1992/006988A1
E. coli transformed with genes which express anti-HIV-1 ribozymes. Mammalian cells which express HIV-1 gag ribozymes.  
WO/1992/003338A1
In an air cycle environmental control system, a condenser (46) removes water vapor from compressed, ambient, supply air (9) before it is expanded in a first turbine (24). The chilled outlet air (49) from the first turbine (24) is then us...  
WO/1992/003674A1
A flow modulator (48) for a butterfly valve (40) incorporates a first protrusion (64) on the high-pressure side (52) of the modulator and a second protrusion (66) on the low-pressure side (54). The second protrusion (66) is spaced from t...  
WO/1992/000877A1
An environmental control system (10) for an aircraft including a variable bleed air flow control means (16), an air cycle air conditioning means (26) and a variable recirculation air flow means (84). The system is configured to maintain ...  
WO/1991/013803A1
A method and means to prevent water vapour in humid air (Ac) in an inner space (1) of a monocoque structure, which shows an outer, at least an essentially hermetic shell (2) and an inner partition (3) which is devised with an intermediat...  
WO/1991/012990A1
A system for conditioning working fluid in environmental control systems (10, 310) includes arrangements for minimizing icing from a variable flow velocity turbine exit flow (88) at subfreezing conditions, wherein the turbine (22) is ver...  
WO/1991/005673A1
An airflow control system (10) in accordance with the invention includes an air channel (14) having a single opening (16) for receiving ram air and for inducting air into the channel; a fan assembly (20) disposed within the air channel i...  

Matches 551 - 600 out of 1,580