Title:
CONSTANT SPEED PUMP SYSTEM FOR ENGINE ECS LOSS ELIMINATION
Document Type and Number:
WIPO Patent Application WO/2013/180788
Kind Code:
A3
Abstract:
A gas turbine engine has an impeller pump for delivering air to an environmental control system and a speed control pump connected to the impeller pump for driving the impeller pump at a constant speed.
Inventors:
SUCIU GABRIEL L (US)
MERRY BRIAN D (US)
GLAHN JORN A (US)
DYE CHRISTOPHER M (US)
MERRY BRIAN D (US)
GLAHN JORN A (US)
DYE CHRISTOPHER M (US)
Application Number:
PCT/US2013/030123
Publication Date:
January 23, 2014
Filing Date:
March 11, 2013
Export Citation:
Assignee:
UNITED TECHNOLOGIES CORP (US)
International Classes:
F02C7/32; F02C7/00; F04D25/02
Foreign References:
| US5442905A | 1995-08-22 | |||
| US7805947B2 | 2010-10-05 | |||
| US20110203293A1 | 2011-08-25 | |||
| US6128896A | 2000-10-10 | |||
| US7578136B2 | 2009-08-25 |
Other References:
See also references of EP 2825751A4
Attorney, Agent or Firm:
KELMACHTER, Barry L. (P.C.c/o CPA Global,P.O. Box 5205, Minneapolis Minnesota, US)
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