JPS6435085A - Cam plate piston pump - Google Patents

Cam plate piston pump

Info

Publication number
JPS6435085A
JPS6435085A JP62189938A JP18993887A JPS6435085A JP S6435085 A JPS6435085 A JP S6435085A JP 62189938 A JP62189938 A JP 62189938A JP 18993887 A JP18993887 A JP 18993887A JP S6435085 A JPS6435085 A JP S6435085A
Authority
JP
Japan
Prior art keywords
portions
pistons
friction
cylinder block
cam plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP62189938A
Other languages
Japanese (ja)
Inventor
Atsushi Inoue
Masakazu Nakazato
Haruhiko Kawasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KYB Corp
Original Assignee
Kayaba Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kayaba Industry Co Ltd filed Critical Kayaba Industry Co Ltd
Priority to JP62189938A priority Critical patent/JPS6435085A/en
Publication of JPS6435085A publication Critical patent/JPS6435085A/en
Pending legal-status Critical Current

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  • Reciprocating Pumps (AREA)

Abstract

PURPOSE:To make the maintenance of neutral position easy by providing friction portions in one portion of pistons or cylinder block bores. CONSTITUTION:Friction portions 25 are provided in the entrance portions A of cylinder block bores 17, and when the tilting angle of a cam plate is 0 deg., the friction portions 25 are situated on the entrance portions A of the cylinder block bores 17. The diameter of the friction portions 25 is the same as other portions basically, but if it is put in connection without hindrance with respect to the stroke of pistons 24, the diameter of the friction portions 25 may be smaller. The stroke of the pistons is small in neutral point neighborhood area with minute cam plate tilting angle by means of the friction portions 25 so that the friction portions 25 of all pistons always come in contact with the bore entrance portions A. Therefore the friction force between the pistons 24 and a cylinder block 11 becomes larger so that excellent neutral characteristics can be obtained.
JP62189938A 1987-07-29 1987-07-29 Cam plate piston pump Pending JPS6435085A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62189938A JPS6435085A (en) 1987-07-29 1987-07-29 Cam plate piston pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62189938A JPS6435085A (en) 1987-07-29 1987-07-29 Cam plate piston pump

Publications (1)

Publication Number Publication Date
JPS6435085A true JPS6435085A (en) 1989-02-06

Family

ID=16249720

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62189938A Pending JPS6435085A (en) 1987-07-29 1987-07-29 Cam plate piston pump

Country Status (1)

Country Link
JP (1) JPS6435085A (en)

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