![]() 230000000052 comparative effect Effects 0.000 description 4.239000002131 composite material Substances 0.000 abstract description 8.239000000463 material Substances 0.000 abstract description 20.238000011144 upstream manufacturing Methods 0.000 claims description 12.230000001276 controlling effect Effects 0.000 claims description 12.Priority to GB0911235A priority patent/GB2461385B/en Publication of US20100001138A1 publication Critical patent/US20100001138A1/en Application granted granted Critical Publication of US7959109B2 publication Critical patent/US7959109B2/en Status Active legal-status Critical Current Adjusted expiration legal-status Critical Links ![]() Assignors: CONN, HEATH A., DIRUSSO, JOSEPH, EL-GABALAWY, HOSAM E., LANGHOFER, ERIK M., DASILVA, OLUBUSOLA A. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Boeing Co filed Critical Boeing Co Priority to US12/167,164 priority Critical patent/US7959109B2/en Assigned to THE BOEING COMPANY reassignment THE BOEING COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee Boeing Co Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) DiRusso Current Assignee (The listed assignees may be inaccurate. ( en Inventor Olubusola Anthony Dasilva Heath Alan Conn Erik Marc Langhofer Hosam El Din El-Gabalawy Joseph M. ![]() Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active, expires Application number US12/167,164 Other versions US20100001138A1 Google Patents Dual valve apparatus for aircraft engine ice protection and related methodsÄownload PDF Info Publication number US7959109B2 US7959109B2 US12/167,164 US16716408A US7959109B2 US 7959109 B2 US7959109 B2 US 7959109B2 US 16716408 A US16716408 A US 16716408A US 7959109 B2 US7959109 B2 US 7959109B2 Authority US United States Prior art keywords valve pressure self engine regulating Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US7959109B2 - Dual valve apparatus for aircraft engine ice protection and related methods US7959109B2 - Dual valve apparatus for aircraft engine ice protection and related methods
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