Title:
TRANSMISSION LUBRICATION STRUCTURE FOR HELICOPTER
Document Type and Number:
WIPO Patent Application WO/2020/059786
Kind Code:
A1
Abstract:
This transmission lubrication structure for a helicopter is provided with: a main tank; an auxiliary tank; a common line through which a lubricating oil is supplied from the main tank or the auxiliary tank; a main line which guides the lubricating oil in the main tank to the common line; an auxiliary line which guides the lubricating oil in the auxiliary tank to the common line; a common nozzle which discharges to the transmission the lubricating oil supplied from the common line; a pump which pumps the lubricating oil from the main tank to the common line; and a relay valve which is disposed upstream of the common line in a state arranged below the auxiliary tank and above the common nozzle and which, during operation of the pump, cuts off the auxiliary line, and, when the pump is stopped, opens the auxiliary line to connect the common line to the auxiliary tank.
Inventors:
OGASAWARA KENTA
Application Number:
PCT/JP2019/036720
Publication Date:
March 26, 2020
Filing Date:
September 19, 2019
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
B64C27/14; F16H57/04; F16N7/02; F16N7/14; F16N7/38
Domestic Patent References:
| WO2011059450A1 | 2011-05-19 |
Foreign References:
| US20160363208A1 | 2016-12-15 | |||
| US20170175875A1 | 2017-06-22 | |||
| US5121815A | 1992-06-16 | |||
| JP2007008461A | 2007-01-18 |
Other References:
See also references of EP 3854681A4
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
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