Filtered environmental control system
Patent 4829775 Issued on May 16, 1989. Estimated Expiration Date: 
May 2, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 2, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2969920 3587243 Combined air cycle heat pump and refrigeration system Variable capacity air cycle refrigeration system Air cycle refrigeration system Energy-efficient all-electric ECS for aircraft Environmental control system Patent #: 4580406 InventorApplicationNo. 07/189252 filed on 05/02/1988US Classes:62/90, With reheating62/402Motor-type expanderExaminersPrimary: Capossela, Ronald C.Attorney, Agent or FirmInternational ClassesF24F 3/02 (20060101)F24F 3/04 (20060101) B64D 13/00 (20060101) B64D 13/06 (20060101) F25B 9/00 (20060101) AbstractAn air-conditioning system being powered by a supply of compressed air, has an air cycle machine which incorporates a filter. The filter receives pressurized air for filtration after said air has passed through a heater which optimizes the temperature and humidity of the air and passes through a second reheater downstream of the filter and upstream of the turbine to maximize the efficiency of the turbine. | |
