JPS5733206A - Device for raising temperature of oil - Google Patents

Device for raising temperature of oil

Info

Publication number
JPS5733206A
JPS5733206A JP10636180A JP10636180A JPS5733206A JP S5733206 A JPS5733206 A JP S5733206A JP 10636180 A JP10636180 A JP 10636180A JP 10636180 A JP10636180 A JP 10636180A JP S5733206 A JPS5733206 A JP S5733206A
Authority
JP
Japan
Prior art keywords
oil
temperature
throttle valve
variable throttle
low
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
JP10636180A
Other languages
Japanese (ja)
Inventor
Toshimichi Ikeda
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP10636180A priority Critical patent/JPS5733206A/en
Publication of JPS5733206A publication Critical patent/JPS5733206A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To automatically raise the temperature of oil, by providing an oil temperature detector to decrease the discharge of a hydraulic pump only when the oil temperature is low.
CONSTITUTION: The temperature of working oil and the degree of opening of a variable throttle valve 8 are proportional to each other. When the temperature of the working oil has reached a prescribed level, the variable throttle valve 8 stops performing the restriction of flow. When the temperature of the oil is low, the degree of opening of the variable throttle valve 8 is also low. At that time, the discharge of the oil from a hydraulic pump 2 is automatically restricted by the valve 8 so that the temperature of the oil rises. When the oil temperature has risen to the prescribed level, the variable throttle valve 8 stops performing the restriction. Therefore, the oil temperature can be automatically heightened.
COPYRIGHT: (C)1982,JPO&Japio
JP10636180A 1980-08-04 1980-08-04 Device for raising temperature of oil Pending JPS5733206A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10636180A JPS5733206A (en) 1980-08-04 1980-08-04 Device for raising temperature of oil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10636180A JPS5733206A (en) 1980-08-04 1980-08-04 Device for raising temperature of oil

Publications (1)

Publication Number Publication Date
JPS5733206A true JPS5733206A (en) 1982-02-23

Family

ID=14431593

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10636180A Pending JPS5733206A (en) 1980-08-04 1980-08-04 Device for raising temperature of oil

Country Status (1)

Country Link
JP (1) JPS5733206A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04215917A (en) * 1990-03-14 1992-08-06 Laurel Bank Mach Co Ltd Packaging paper feeding device for coin packaging machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04215917A (en) * 1990-03-14 1992-08-06 Laurel Bank Mach Co Ltd Packaging paper feeding device for coin packaging machine

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