GB191011037A - Improvements in Hydraulic or other Fluid Pressure Valves. - Google Patents

Improvements in Hydraulic or other Fluid Pressure Valves.

Info

Publication number
GB191011037A
GB191011037A GB191011037DA GB191011037A GB 191011037 A GB191011037 A GB 191011037A GB 191011037D A GB191011037D A GB 191011037DA GB 191011037 A GB191011037 A GB 191011037A
Authority
GB
United Kingdom
Prior art keywords
valve
valves
fluid pressure
interdependent
controls
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.)
Expired
Application number
Inventor
Thomas Henry Firth
Charles Simmons
James Thomas Short
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191011037A publication Critical patent/GB191011037A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K39/00—Devices for relieving the pressure on the sealing faces
    • F16K39/02—Devices for relieving the pressure on the sealing faces for lift valves
    • F16K39/022—Devices for relieving the pressure on the sealing faces for lift valves using balancing surfaces

Abstract

11,037. Firth, T. H., Simmons, C., and Short, J. T. May 4. Combinations of interdependent valves. - A combination of interdependent lift valves adapted for use with hydraulic apparatus comprises a pair of similar valves approximately balanced both above and below their seats and each provided with a pair of differential pistons on the outlet side subjected to a constant fluid pressure, the lower piston being of sufficient area to make the valve self-closing. Each valve e is provided on the inlet side with a spindle k of approximately the same diameter as the seat aperture, which spindle carries a crosshead l adapted to be engaged by a cam m on the actuating lever n. The movement of this lever is limited by a pin r engaging fixed stops q on the casing. The crossheads are secured by nuts, and their position adjusted by inserting washers P. Each valve is balanced on the outlet side by differential pistons o, o<1>, between which the main pressure is admitted by a passage p. The valve e controls the supply to the apparatus connected to the port h while the valve e<1> controls the exhaust.
GB191011037D 1910-05-04 1910-05-04 Improvements in Hydraulic or other Fluid Pressure Valves. Expired GB191011037A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191011037T 1910-05-04

Publications (1)

Publication Number Publication Date
GB191011037A true GB191011037A (en) 1911-05-04

Family

ID=32561540

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191011037D Expired GB191011037A (en) 1910-05-04 1910-05-04 Improvements in Hydraulic or other Fluid Pressure Valves.

Country Status (1)

Country Link
GB (1) GB191011037A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2506128A (en) * 1945-05-03 1950-05-02 Electrol Inc Plunger actuated valve
US2682386A (en) * 1948-12-13 1954-06-29 Lindsay Company Valve mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2506128A (en) * 1945-05-03 1950-05-02 Electrol Inc Plunger actuated valve
US2682386A (en) * 1948-12-13 1954-06-29 Lindsay Company Valve mechanism

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