AUXILIARY POWER UNIT WITH COMBINED COOLING OF GENERATOR
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United States of America Patent
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N/A
Issued Date -
Jun 20, 2019
app pub date -
Feb 22, 2019
filing date -
Aug 7, 2015
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
An auxiliary power unit for an aircraft, including an internal combustion engine having a liquid coolant system, a generator drivingly engaged to the internal combustion engine and having a liquid coolant system distinct from the liquid coolant system of the internal combustion engine, a first heat exchanger in fluid communication with the liquid coolant system of the internal combustion engine, a second heat exchanger in fluid communication with the liquid coolant system of the generator, an exhaust duct in fluid communication with air passages of the heat exchangers, and a fan received in the exhaust duct and rotatable by the internal combustion engine for driving a cooling air flow through the air passages. The liquid coolant system of the engine may be distinct from fuel and lubricating systems of the auxiliary power unit. A method of cooling a generator and an internal combustion engine is also discussed.
First Claim
Other Claims data not available
Family
International Classification(s)
- F02K:JET-PROPULSION PLANTS
- F01P:COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING....
- F02B:INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENG....
- B64D:EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SU....
- F02C:GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION....
- F01C:ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR EN....
- 2019 Application Filing Year
- F02K Class
- 432 Applications Filed
- 280 Patents Issued To-Date
- 64.82 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F02K Class
- 0 % this patent is cited more than
- 6 Age