JPS5638583A - Slanted-axis-type pump - Google Patents

Slanted-axis-type pump

Info

Publication number
JPS5638583A
JPS5638583A JP11494679A JP11494679A JPS5638583A JP S5638583 A JPS5638583 A JP S5638583A JP 11494679 A JP11494679 A JP 11494679A JP 11494679 A JP11494679 A JP 11494679A JP S5638583 A JPS5638583 A JP S5638583A
Authority
JP
Japan
Prior art keywords
driving shaft
force
thrust
pump
oil
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
JP11494679A
Other languages
Japanese (ja)
Inventor
Masato Kosaka
Masumi Hayashi
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 JP11494679A priority Critical patent/JPS5638583A/en
Publication of JPS5638583A publication Critical patent/JPS5638583A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To reduce the load of thrust on the bearing part of a driving shaft and increase the durability thereof by a method wherein the pump-discharged oil is led to the side of the driving shaft through the passage piercing a push rod and the hydraulic force thus obtained is made to act so as to offset the force of thrust.
CONSTITUTION: The pump-discharged oil is led to the side of a driving shaft 10A through a passage 40 piercing a push rod 22A, while, based on the supply of this pressure oil, an auxiliary piston 47 pressing the driving shaft 10A in the axial direction by the counterforce therefrom is provided in a housing boss part. When a part of the discharged oil is led into a cylinder chamber 48 through the push rod 22A with the pumping action of a pump A, the auxiliary piston 47 is pushed out by the pressure of this oil, pressing strongly a disc 49. This generates strong hydraulic counterforce in a piston case 46, whereby the driving shaft 10A is pressed, through the intermediary of a staged part 45, in the direction countering the force of thrust caused by the operation of a piston part 7A. Accordingly, the force of thrust applied to a taper roller bearing 14A is reduced to a great degree and thereby the load on the bearing is weakened and the durability thereof is increased.
COPYRIGHT: (C)1981,JPO&Japio
JP11494679A 1979-09-07 1979-09-07 Slanted-axis-type pump Pending JPS5638583A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11494679A JPS5638583A (en) 1979-09-07 1979-09-07 Slanted-axis-type pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11494679A JPS5638583A (en) 1979-09-07 1979-09-07 Slanted-axis-type pump

Publications (1)

Publication Number Publication Date
JPS5638583A true JPS5638583A (en) 1981-04-13

Family

ID=14650561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11494679A Pending JPS5638583A (en) 1979-09-07 1979-09-07 Slanted-axis-type pump

Country Status (1)

Country Link
JP (1) JPS5638583A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60149884U (en) * 1984-03-16 1985-10-04 内田油圧機器工業株式会社 Oblique axis piston pump, motor
JPS60230571A (en) * 1984-05-01 1985-11-16 Uchida Yuatsu Kiki Kogyo Kk Hydraulic bearing load relieving device in bent axis type axial piston pump and motor
JPS60259774A (en) * 1984-06-05 1985-12-21 Uchida Yuatsu Kiki Kogyo Kk Bearing unit in angled type piston pump and motor
US4569630A (en) * 1978-10-25 1986-02-11 Karl Eickmann Axial piston machine having a control flow fluid line passing through a medial shaft portion
JP5063823B1 (en) * 2012-04-13 2012-10-31 株式会社小松製作所 Oblique shaft type axial piston pump / motor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4260Y1 (en) * 1964-05-30 1967-01-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4260Y1 (en) * 1964-05-30 1967-01-05

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4569630A (en) * 1978-10-25 1986-02-11 Karl Eickmann Axial piston machine having a control flow fluid line passing through a medial shaft portion
JPS60149884U (en) * 1984-03-16 1985-10-04 内田油圧機器工業株式会社 Oblique axis piston pump, motor
JPS60230571A (en) * 1984-05-01 1985-11-16 Uchida Yuatsu Kiki Kogyo Kk Hydraulic bearing load relieving device in bent axis type axial piston pump and motor
JPS60259774A (en) * 1984-06-05 1985-12-21 Uchida Yuatsu Kiki Kogyo Kk Bearing unit in angled type piston pump and motor
JP5063823B1 (en) * 2012-04-13 2012-10-31 株式会社小松製作所 Oblique shaft type axial piston pump / motor
WO2013153684A1 (en) * 2012-04-13 2013-10-17 株式会社小松製作所 Inclined-shaft-type axial piston pump motor
CN103459842A (en) * 2012-04-13 2013-12-18 株式会社小松制作所 Inclined-shaft-type axial piston pump motor
CN103459842B (en) * 2012-04-13 2014-08-27 株式会社小松制作所 Inclined-shaft-type axial piston pump motor
US9194381B2 (en) 2012-04-13 2015-11-24 Komatsu Ltd. Bent axis type axial piston pump/motor

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