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JPS55139985A - Oil supply mechanism for hydraulic pump and motor - Google Patents

Oil supply mechanism for hydraulic pump and motor

Info

Publication number
JPS55139985A
JPS55139985A JP4711279A JP4711279A JPS55139985A JP S55139985 A JPS55139985 A JP S55139985A JP 4711279 A JP4711279 A JP 4711279A JP 4711279 A JP4711279 A JP 4711279A JP S55139985 A JPS55139985 A JP S55139985A
Authority
JP
Japan
Prior art keywords
port
shuttle valve
passage
oil
bearing
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
JP4711279A
Other languages
Japanese (ja)
Inventor
Isao Sugioka
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.)
Japan Steel Works Ltd
Original Assignee
Japan Steel Works 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 Japan Steel Works Ltd filed Critical Japan Steel Works Ltd
Priority to JP4711279A priority Critical patent/JPS55139985A/en
Publication of JPS55139985A publication Critical patent/JPS55139985A/en
Pending legal-status Critical Current

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  • Reciprocating Pumps (AREA)

Abstract

PURPOSE: To supply necessary and sufficient lubricating oil to sealing and bearing parts by selecting the supply pressure by means of a shuttle valve.
CONSTITUTION: When pressure oil is supplied through main circuit connection ports A and B, it pushes a piston 2 via a passage 19 and a port 4 of a valve plate 10, and rotates a drive shaft 1 via a spherical part 2'. When a high pressure is given at the port A, the supply pressure at the port B is conducted to a fluid passage D in a center shaft 11 by a shuttle valve 8 via a connection passage C and an outlet of the shuttle valve 8, and subsequently released between a front bearing 6 and an oil seal part 7 via fluid passages E and F. This fluid is centrifugally scattered by the revolution of the drive shaft 1, and supplied to the front bearing 6 and a main bearing 5 after lubricating the oil seal part 7.
COPYRIGHT: (C)1980,JPO&Japio
JP4711279A 1979-04-16 1979-04-16 Oil supply mechanism for hydraulic pump and motor Pending JPS55139985A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4711279A JPS55139985A (en) 1979-04-16 1979-04-16 Oil supply mechanism for hydraulic pump and motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4711279A JPS55139985A (en) 1979-04-16 1979-04-16 Oil supply mechanism for hydraulic pump and motor

Publications (1)

Publication Number Publication Date
JPS55139985A true JPS55139985A (en) 1980-11-01

Family

ID=12766086

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4711279A Pending JPS55139985A (en) 1979-04-16 1979-04-16 Oil supply mechanism for hydraulic pump and motor

Country Status (1)

Country Link
JP (1) JPS55139985A (en)

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