The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 26, 2019

Filed:

Dec. 19, 2016
Applicant:

Kabushiki Kaisha Toyota Jidoshokki, Kariya-shi, Aichi-ken, JP;

Inventors:

Tsutomu Matsuo, Kariya, JP;

Naoya Yokomachi, Kariya, JP;

Yuki Ueda, Kariya, JP;

Takashi Uno, Kariya, JP;

Assignee:

KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Kariya-shi, Aichi-ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 1/32 (2006.01); F04B 1/20 (2006.01); F04B 53/16 (2006.01);
U.S. Cl.
CPC ...
F04B 1/324 (2013.01); F04B 1/2064 (2013.01); F04B 1/2078 (2013.01); F04B 53/16 (2013.01);
Abstract

A variable displacement swash plate type piston pump includes first and second housing members fastened to each other by fastening members, a rotary shaft, a swash plate. A section of the inner circumferential surface of the first housing member has a recess. A bulging portion is arranged in a section of the outer circumferential wall of the first housing member. A section of the outer circumferential wall of the second housing member has a closing portion that closes the opening of the recess. The fastening members include first and second fastening members arranged at positions that are on the opposite sides of the recess, inside the width of the swash plate in a direction along the inclination axis of the swash plate, and closer to the rotary shaft than the distal ends of the bulging portion and the closing portion in the bulging direction.


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