JPS5776344A - Hydraulic oil pressure conroller for pto clutch - Google Patents

Hydraulic oil pressure conroller for pto clutch

Info

Publication number
JPS5776344A
JPS5776344A JP15354280A JP15354280A JPS5776344A JP S5776344 A JPS5776344 A JP S5776344A JP 15354280 A JP15354280 A JP 15354280A JP 15354280 A JP15354280 A JP 15354280A JP S5776344 A JPS5776344 A JP S5776344A
Authority
JP
Japan
Prior art keywords
valve
return
oil
pressurized oil
oil pressure
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.)
Granted
Application number
JP15354280A
Other languages
Japanese (ja)
Other versions
JPS629775B2 (en
Inventor
Tadao Nishihara
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.)
Iseki and Co Ltd
Iseki Agricultural Machinery Mfg Co Ltd
Original Assignee
Iseki and Co Ltd
Iseki Agricultural Machinery Mfg 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 Iseki and Co Ltd, Iseki Agricultural Machinery Mfg Co Ltd filed Critical Iseki and Co Ltd
Priority to JP15354280A priority Critical patent/JPS5776344A/en
Publication of JPS5776344A publication Critical patent/JPS5776344A/en
Publication of JPS629775B2 publication Critical patent/JPS629775B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To prevent a strong impulsive force, by slowly increasing oil pressure when it is applied to a PTO clutch cylinder.
CONSTITUTION: A pressure rise control valve 7 has a return port 10 for returning to a tank the pressurized oil introduced from an oil passage 9 and has a shutoff part 11 for hindering the return to the tank. The pressurized oil from the oil passage 9 is conduted to a return-hindering-side valve chamber 15 through a valve chamber 13 and an orifice 14 at the return side of a valve element 12. The valve element 12 is energized by a spring 16 so that the valve element is pushed and moved toward the valve chamber 13 to help the pressurized oil to act. The pressurized oil supplied to the valve chamber 15 is also conducted to a temporarily release valve 17 to push and move the valve rod 20 of the valve 17 against a spring 19 until the rod 20 comes into contact with a stopper 18. The position of the stopper 18 can be optionally changed by an adjusting screw 22 to control the rate of increase in the oil pressure.
COPYRIGHT: (C)1982,JPO&Japio
JP15354280A 1980-10-31 1980-10-31 Hydraulic oil pressure conroller for pto clutch Granted JPS5776344A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15354280A JPS5776344A (en) 1980-10-31 1980-10-31 Hydraulic oil pressure conroller for pto clutch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15354280A JPS5776344A (en) 1980-10-31 1980-10-31 Hydraulic oil pressure conroller for pto clutch

Publications (2)

Publication Number Publication Date
JPS5776344A true JPS5776344A (en) 1982-05-13
JPS629775B2 JPS629775B2 (en) 1987-03-02

Family

ID=15564787

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15354280A Granted JPS5776344A (en) 1980-10-31 1980-10-31 Hydraulic oil pressure conroller for pto clutch

Country Status (1)

Country Link
JP (1) JPS5776344A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0343002A2 (en) * 1988-05-20 1989-11-23 Dana Corporation Power take-off control apparatus
US8247726B2 (en) 2009-07-22 2012-08-21 Eaton Corporation Electrical switching apparatus and arc chute assembly therefor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0343002A2 (en) * 1988-05-20 1989-11-23 Dana Corporation Power take-off control apparatus
US8247726B2 (en) 2009-07-22 2012-08-21 Eaton Corporation Electrical switching apparatus and arc chute assembly therefor

Also Published As

Publication number Publication date
JPS629775B2 (en) 1987-03-02

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