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WO/2000/073713A1 |
The invention relates to a method of controlling an arrangement designed for generating cold air for cooling objects that are in need of being cooled, and an arrangement for carrying out the method. The arrangement includes a compressor ...
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WO/2000/066953A1 |
A refrigerating device, wherein a cycle circuit (20) comprises an expansion device (22), a heat exchanger (30), and a compressor (21) connected in order to each other, a dehumidifying mechanism (60) is provided so as to dehumidify heat-a...
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WO/2000/055550A1 |
A primary system (20), comprising a compressor (21), a vapor separator (55), a heat exchanger (30), and an expansion device (22) connected in order to each other, wherein inside air is taken in as a primary air and exhausted to the outdo...
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WO/2000/053982A1 |
A primary system (20), comprising a compressor (21), a heat exchanger (30), and an expansion device (22) connected in order to each other, wherein outside air is taken in through a primary inlet duct (23) and supplied from a primary outl...
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WO/2000/037313A1 |
An environment control system for a body of an aircraft that provides controlled ventilation of the interior space of an aircraft body (1), facilitating reduction of volatile organic compounds (VOCs) within cabin air, dehumidifying and r...
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WO/2000/030716A1 |
The invention concerns oxygen inhaler masks with sound pickup device wherein the microphone capsule (2) of the sound pickup device (E) is arranged at the base of a horn (C) whereof the opening is placed in front of the mask user's mouth....
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WO/2000/029812A2 |
According to principles of the present invention, a sensor beam provides a linear or non-linear continuous signal to a computer that translates the signal into a valve position reading. In an illustrative embodiment of the invention, a s...
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WO/2000/016882A1 |
An aircraft environmental control system includes a catalytic converter having ozone-destroying capability. A surface of the catalytic converter (22) is anodized to form an anodized layer (24), and the metal oxide layer is washcoated to ...
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WO/2000/004956A1 |
The invention concerns an standby regulator comprising means for communicating a pressurised breathing mixture intake (12) with a tubing (14) designed to be connected inside a respirator, means (34, 32) for supplying diluting air to the ...
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WO/1999/059867A1 |
A water extractor (10) of an environmental control system includes a swirl section (12) and a water collector (14) downstream of the swirl section. The water collector includes an upstream sump (26) having an inlet (30) positioned to cap...
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WO/1999/051492A1 |
An air cycle environmental control system (10) for high pressure water separation omits a condenser heat exchanger and includes a reheater capable (19) of placing compressed air in a heat exchange process to condense water vapor. A first...
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WO/1999/048756A1 |
The invention relates to a method for air conditioning vehicles, especially aircraft, in which the airflow supplied to the passenger cabin (K) is comprised of optionally tempered outside air and a portion of recirculated air. The inventi...
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WO/1999/046166A1 |
A two-spool air cycle machine (10) includes a high pressure cooling turbine section (12); a low pressure cooling turbine section (18); and first and second shafts (16, 22) that are concentrically arranged and that are independently rotat...
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WO/1999/041145A1 |
An air conditioning system (56) for an aircraft includes cascaded high and low pressure turbines (62, 68), an electric generator (42) that is driven at variable speeds by the low pressure turbine (68), and a fan (66) that is also driven ...
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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...
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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)...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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)...
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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...
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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...
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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...
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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...
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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 ...
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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 ...
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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...
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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...
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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...
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