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Patent Searching and Data


Title:
OIL PRESSURE GENERATOR
Document Type and Number:
Japanese Patent JP3813724
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To prevent air from accumulating in a suction piping of a high pressure control oil pump on a standby part under any operating condition of the high pressure control oil pump.
SOLUTION: An oil pressure generator has an oil pressure supply system which comprises a suction piping 2 which introduces oil from an oil tank 1, branch piping 2a and 2b which are branched to be connected at two appropriate parts of the suction piping 2, and high pressure control oil pumps 5A and 5B which is provided at each branch piping for common use and standby, and boots the oil introduces from the oil tank 1 through the high pressure control oil pump 5A in normal use of the oil pressure supply system so as to supply the oil to an oil pressure drive system of control equipment or emergency oil equipment, wherein the branch piping 2a and 2b is uphill inclined piping from the suction piping 2 respectably, and head space of casings of the high pressure control oil pumps 5A and 5B is connected through a communicating tube 11.


Inventors:
Joji Koji
Application Number:
JP1066498A
Publication Date:
August 23, 2006
Filing Date:
January 22, 1998
Export Citation:
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Assignee:
Toshiba Corporation
International Classes:
F15B1/00; F15B21/04; F04B53/06; (IPC1-7): F15B1/00
Domestic Patent References:
JP6235378A
JP57025201U
JP53030501U
JP49100014U
JP4297329A
Attorney, Agent or Firm:
Takehiko Suzue
Sadao Muramatsu
Atsushi Tsuboi
Ryo Hashimoto
Satoshi Kono
Makoto Nakamura
Shoji Kawai