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GB704941A - Improvements in or relating to fluid systems and valves therefor - Google Patents

Improvements in or relating to fluid systems and valves therefor

Info

Publication number
GB704941A
GB704941A GB2213449A GB2213449A GB704941A GB 704941 A GB704941 A GB 704941A GB 2213449 A GB2213449 A GB 2213449A GB 2213449 A GB2213449 A GB 2213449A GB 704941 A GB704941 A GB 704941A
Authority
GB
United Kingdom
Prior art keywords
cylinder
piston
cock
valve
working
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
GB2213449A
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
Priority to GB2213449A priority Critical patent/GB704941A/en
Publication of GB704941A publication Critical patent/GB704941A/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
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

704,941. Hydraulic machines; valves. BALLINGER, L. J. H. Aug. 25, 1949, No. 22134/49. Classes 69 (2) and 135 A hydraulic pressure system for the sequential operation of a pair of working cylinders comprises a first working cylinder 8, Fig. 1, having a piston 11 urged outwardly by pressure liquid and inwardly by springs 12, a piston valve 26 adjustably loaded by a weight 50 mounted on a lever 40, and a second working cylinder 19 having a piston 20 urged outwardly by pressure liquid and inwardly by springs 21. In operation, a manually-actuated cock 3 is rotated to connect a pump 1 to a duct 5 having branches 6, 7 leading to the cylinder 8 and the piston valve 26 respectively. The piston in the cylinder 8 moves outwardly until arrested by an adjustable stop 15 whence pressure in the system builds up to raise the piston valve 26 to connect the pump supply to the second cylinder 19 to move its piston 20 outwards. On completion of the working stroke of the piston 20, the cock 3 is moved to disconnect the pump from the system and connect the cylinder 8 to sump. The pressure in the system then falls and both pistons are urged inwardly by their respective springs substantially simultaneously. The first cylinder exhausting through the cock 3 and the second cylinder through radial ports 32, 34 in the piston valve and a line 25. The rotary cock 3 may, if desired, be arranged to simultaneously supply more than one " first " working cylinder. In a modification, the cock 3 has a ratchet wheel 57, Fig. 6, a notched disc 69 and adjustable pins 72. The wheel 57 engages a pawl 60 mounted on the second piston 20 so that on the outward stroke of this piston the pawl 60 rotates the wheel by one tooth to automatically connect the first cylinder to sump and as before return the pistons 11, 20 to their initial positions. The disc 69 engages a spring-loaded rod 74 so that on movement of the cock 3 from one of its ports to another a valve 67 closes to cut off the supply of pressure liquid to the cylinder 8. The pins 72 engage a bell-crank lever 73 to reduce the pump output when the valve 67 is closed.
GB2213449A 1949-08-25 1949-08-25 Improvements in or relating to fluid systems and valves therefor Expired GB704941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2213449A GB704941A (en) 1949-08-25 1949-08-25 Improvements in or relating to fluid systems and valves therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2213449A GB704941A (en) 1949-08-25 1949-08-25 Improvements in or relating to fluid systems and valves therefor

Publications (1)

Publication Number Publication Date
GB704941A true GB704941A (en) 1954-03-03

Family

ID=10174441

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2213449A Expired GB704941A (en) 1949-08-25 1949-08-25 Improvements in or relating to fluid systems and valves therefor

Country Status (1)

Country Link
GB (1) GB704941A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105715606A (en) * 2016-04-06 2016-06-29 浙江大学 Compound digital servo actuator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105715606A (en) * 2016-04-06 2016-06-29 浙江大学 Compound digital servo actuator

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