Refrigeration – Air compressor – cooler and expander type – Motor-type expander
Patent
1983-08-03
1984-12-11
Capossela, Ronald C.
Refrigeration
Air compressor, cooler and expander type
Motor-type expander
62172, 621963, 62197, 62236, F25D 900
Patent
active
044870345
ABSTRACT:
The invention is an energy-efficient all-electric environmental control system (70). The system includes a cabin compressor (16) and a Freon compressor (14), both of which are commonly driven by a two-speed electric motor (12). The motor (12) operates at low speed at low altitudes and on the ground to drive the Freon compressor (14). Freon fluid then cools the electric motor (12) and the cabin (18) and avionics (56) by means of the evaporator/dehumidifier systems (72) and (74), respectively. At high altitudes the electric motor (12) runs at high speed to drive the cabin compressor (16) to provide pressurization for the cabin (18). In this operation mode, the Freon compressor can be disconnected via an electromagnetic clutch (48).
The ECS (70) also includes a liquid Freon pump (52) which can be utilized when the Freon compressor is disconnected or bypassed to circulate liquid Freon to cool the electric motor (12) and to circulate through the evaporators (38) and (76). The pump (52) is driven by an ac or dc motor (54).
REFERENCES:
patent: 2363273 (1944-11-01), Waterfill
patent: 2451280 (1948-10-01), Del Mar
patent: 2452704 (1948-11-01), Wahlmark
patent: 2585570 (1952-02-01), Messinger
patent: 2614815 (1952-10-01), Marchant
patent: 2678542 (1954-05-01), Stanton
patent: 2697917 (1954-12-01), Mayer
patent: 2892318 (1959-06-01), Malkoff et al.
patent: 3010289 (1961-11-01), Kuklinski
patent: 3464226 (1969-09-01), Kramer
patent: 3636723 (1972-01-01), Kramer
patent: 3646773 (1972-03-01), Falk et al.
Cronin Michael J.
Seid Gordon
Capossela Ronald C.
Dachs Louis L.
Lockheed Corporation
LandOfFree
Energy-efficient all-electric ECS for aircraft does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Energy-efficient all-electric ECS for aircraft, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Energy-efficient all-electric ECS for aircraft will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1456983