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Title:
VENTING DEVICE AND VENTING CONTROL SYSTEM FOR AUXILIARY TANK OF AIRCRAFT, AND AIRCRAFT FUEL SUPPLY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/050615
Kind Code:
A1
Abstract:
A venting device for an auxiliary tank of an aircraft. The venting device is configured to maintain the gas pressure of a fuel-free space in the auxiliary tank, and is characterized in that same comprises a vent pipe for the auxiliary tank, wherein the vent pipe for the auxiliary tank is connected between the auxiliary tank and wing tanks arranged on aircraft wings, so that the fuel-free space in the auxiliary tank is in fluid communication with fuel-free spaces in the wing tanks; and a vent valve, which is arranged midway in the vent pipe for the auxiliary tank, wherein the vent valve is opened or closed or the opening degree thereof is adjusted according to the magnitude of the pressure difference between the fuel-free space in the auxiliary tank and the environment outside an aircraft.

Inventors:
YAO LIJUN (CN)
LIU YILIN (CN)
HE CHANGSHENG (CN)
GUAN TIANLIN (CN)
LIU DEGANG (CN)
Application Number:
PCT/CN2021/141885
Publication Date:
April 06, 2023
Filing Date:
December 28, 2021
Export Citation:
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Assignee:
COMMERCIAL AIRCRAFT CORP CN (CN)
COMMERCIAL AIRCRAFT CORPORATION OF CHINA LTD SHANGHAI AIRCRAFT DESIGN AND RES INSTITUTE (CN)
International Classes:
B64D37/02
Domestic Patent References:
WO2005079205A22005-09-01
Foreign References:
CN113772107A2021-12-10
CN105934388A2016-09-07
US20090050743A12009-02-26
US3432121A1969-03-11
US20110147530A12011-06-23
GB1153040A1969-05-21
US20130119202A12013-05-16
CN103241382A2013-08-14
CN103057714A2013-04-24
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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