IT1142799B - Control valve for hydraulic pump - Google Patents

Control valve for hydraulic pump

Info

Publication number
IT1142799B
IT1142799B IT49274/81A IT4927481A IT1142799B IT 1142799 B IT1142799 B IT 1142799B IT 49274/81 A IT49274/81 A IT 49274/81A IT 4927481 A IT4927481 A IT 4927481A IT 1142799 B IT1142799 B IT 1142799B
Authority
IT
Italy
Prior art keywords
low pressure
valve
housing
high pressure
chambers
Prior art date
Application number
IT49274/81A
Other languages
Italian (it)
Other versions
IT8149274A0 (en
Inventor
Robert F Hodgson
Original Assignee
Commercial Shearing
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 Commercial Shearing filed Critical Commercial Shearing
Priority to IT49274/81A priority Critical patent/IT1142799B/en
Publication of IT8149274A0 publication Critical patent/IT8149274A0/en
Application granted granted Critical
Publication of IT1142799B publication Critical patent/IT1142799B/en

Links

Abstract

The valve is for an integral hydraulic pump and valve having a housing to be integral with a pump housing with spaced low pressure and high pressure ports corresponding to the low pressure inlet port and high pressure outlet port of the pump. A low pressure chamber, a high pressure chamber and a cylinder chamber in the housing are spaced apart and parallel to one another. A transverse bore in the housing intersects the chambers. A valve is movable axially in the bore having an annular groove intermediate its ends capable of connecting the low pressure and high pressure chambers in a first neutral position, capable of connecting all of the chambers in a second position and connecting only the low pressure chamber in a third position. Detents in the housings extend into the bore and annular groove in the valve.
IT49274/81A 1981-09-11 1981-09-11 Control valve for hydraulic pump IT1142799B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT49274/81A IT1142799B (en) 1981-09-11 1981-09-11 Control valve for hydraulic pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT49274/81A IT1142799B (en) 1981-09-11 1981-09-11 Control valve for hydraulic pump

Publications (2)

Publication Number Publication Date
IT8149274A0 IT8149274A0 (en) 1981-09-11
IT1142799B true IT1142799B (en) 1986-10-15

Family

ID=11270180

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49274/81A IT1142799B (en) 1981-09-11 1981-09-11 Control valve for hydraulic pump

Country Status (1)

Country Link
IT (1) IT1142799B (en)

Also Published As

Publication number Publication date
IT8149274A0 (en) 1981-09-11

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