GB1261251A - Pneumatic relay - Google Patents

Pneumatic relay

Info

Publication number
GB1261251A
GB1261251A GB367969A GB367969A GB1261251A GB 1261251 A GB1261251 A GB 1261251A GB 367969 A GB367969 A GB 367969A GB 367969 A GB367969 A GB 367969A GB 1261251 A GB1261251 A GB 1261251A
Authority
GB
United Kingdom
Prior art keywords
seat
outlet
piston
closure
spring
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
GB367969A
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.)
Valves & Produits Ind S A Schr
Schrader SA
Original Assignee
Valves & Produits Ind S A Schr
Schrader SA
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 Valves & Produits Ind S A Schr, Schrader SA filed Critical Valves & Produits Ind S A Schr
Publication of GB1261251A publication Critical patent/GB1261251A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C3/00—Circuit elements having moving parts
    • F15C3/04—Circuit elements having moving parts using diaphragms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C3/00—Circuit elements having moving parts
    • F15C3/02—Circuit elements having moving parts using spool valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
    • F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
    • F24H7/04—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid
    • F24H7/0408—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using electrical energy supply
    • F24H7/0416—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using electrical energy supply the transfer fluid being air

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Multiple-Way Valves (AREA)
  • Fluid-Driven Valves (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

1,261,251. Valves. VALVES & PRODUITS INDUSTRIELS SOC. ANON. SCHRADER. 22 Jan., 1969 [22 Jan., 1968], No. 3679/69. Heading F2V. Also in Division G4] In a normally-closed pneumatic relay a closure member 9a is biased by a spring 10a against a seat 11a to block communication between an inlet A and an outlet S. The latter normally communicates with an exhaust P via longitudinal grooves 16a in the stem 5a of the closure member. A piston 6a on the foot of stem 5a forms with the housing a control chamber connected to port B. A pressure signal at B causes the piston to move upwards to open communication between inlet A and outlet S and close communication between outlet S and exhaust P by closure 23a seating on seat 24a. The housing is formed in three parts 1a, 2a, 3a which are held together by a strap 28 in groove 27 and to ensure sealing between the ports, the latter are made of differing hardnesses and have edges 30. The relay may be modified to be normally-open by forming a passage (14) through seat 11a and blocking communication between the outlet and exhaust by a seal (18) placed between the seat and housing part 2a. In modifications of this relay spring 10a may be dispensed with or replaced by an apertured spring membrane (10) and piston 6a may be replaced by a membrane (19) acting on the foot of the valve stem. Instead of the closures being formed as shown by conical surfaces of different inclinations to prevent jamming the closures are formed by rubber seals and are arranged on the top and bottom surfaces of closure 9a. Alternatively the substituted spring membrane (10) may act as the upper closure. Alternative control ports B, C separated by a selector piston (21) may be provided to form an OR gate. In the presence of only one control signal an AND gate may be formed by combining the control and inlet signals. Memories can also be formed by combining relays.
GB367969A 1968-01-22 1969-01-22 Pneumatic relay Expired GB1261251A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR136924 1968-01-22

Publications (1)

Publication Number Publication Date
GB1261251A true GB1261251A (en) 1972-01-26

Family

ID=8644902

Family Applications (1)

Application Number Title Priority Date Filing Date
GB367969A Expired GB1261251A (en) 1968-01-22 1969-01-22 Pneumatic relay

Country Status (6)

Country Link
BE (2) BE727283A (en)
DE (2) DE1902848A1 (en)
FR (1) FR1568057A (en)
GB (1) GB1261251A (en)
LU (1) LU57818A1 (en)
NL (2) NL6900859A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2645448C2 (en) * 1976-10-08 1979-07-19 Wabco Westinghouse Gmbh, 3000 Hannover Throttle for throttled venting in directional control valves
DE4438413C2 (en) * 1994-10-27 1996-09-05 Krause Biagosch Gmbh Device for the production of printing plates
JPH08184382A (en) * 1994-12-29 1996-07-16 Smc Corp Poppet type direction switching valve

Also Published As

Publication number Publication date
NL6900859A (en) 1969-07-24
DE1902866A1 (en) 1970-04-16
BE727246A (en) 1969-07-01
NL6901043A (en) 1969-07-24
LU57818A1 (en) 1969-05-14
BE727283A (en) 1969-07-01
FR1568057A (en) 1969-05-23
DE1902848A1 (en) 1969-09-25

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