VARIABLE DISPLACEMENT SWASH PLATE TYPE PISTON PUMP

Title:

VARIABLE DISPLACEMENT SWASH PLATE TYPE PISTON PUMP

Document Type and Number:

WIPO Patent Application WO/2017/122501

Kind Code:

A1

Abstract:

A variable displacement swash plate type piston pump is provided with: first and second housings fastened together by a plurality of fastening members; a rotating shaft; and a swash plate having a protrusion extending outward. A recess in which the protrusion is disposed is provided in a part of the inner peripheral surface of the first housing. A swollen section is provided on a part of the outer peripheral wall of the first housing. A closure section for closing the opening of the recess is provided on a part of the outer peripheral wall of the second housing. The plurality of fastening members include a first fastening member and a second fastening member, which are arranged at positions sandwiching the recess within the width of the swash plate in the direction of the tilting axis of the swash plate, the positions being closer to the rotating shaft than the front ends of the swollen section and the closure section in the swelling direction.

Inventors:

MATSUO TSUTOMU (JP)
YOKOMACHI NAOYA (JP)
UEDA YUKI (JP)
UNO TAKASHI (JP)

Application Number:

PCT/JP2016/087775

Publication Date:

July 20, 2017

Filing Date:

December 19, 2016

Export Citation:

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Assignee:

TOYOTA JIDOSHOKKI KK (JP)

International Classes:

F04B1/22

Foreign References:

JP2011001162A	2011-01-06
JPH10159712A	1998-06-16
JP2007092707A	2007-04-12

Other References: