GB1348431A - Pressure sensitive switch unit - Google Patents

Pressure sensitive switch unit

Info

Publication number
GB1348431A
GB1348431A GB3953471A GB1348431DA GB1348431A GB 1348431 A GB1348431 A GB 1348431A GB 3953471 A GB3953471 A GB 3953471A GB 1348431D A GB1348431D A GB 1348431DA GB 1348431 A GB1348431 A GB 1348431A
Authority
GB
United Kingdom
Prior art keywords
pressure sensitive
switch unit
sensitive switch
pressure
unit
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
GB3953471A
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.)
Actuated Controls Ltd
Original Assignee
Actuated Controls 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 Actuated Controls Ltd filed Critical Actuated Controls Ltd
Publication of GB1348431A publication Critical patent/GB1348431A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/10—Characterised by the construction of the motor unit the motor being of diaphragm type
    • 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
    • F15B5/00—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
GB3953471A 1971-08-24 1972-08-24 Pressure sensitive switch unit Expired GB1348431A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3953471 1971-08-24

Publications (1)

Publication Number Publication Date
GB1348431A true GB1348431A (en) 1974-03-20

Family

ID=10410093

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3953471A Expired GB1348431A (en) 1971-08-24 1972-08-24 Pressure sensitive switch unit

Country Status (8)

Country Link
US (1) US3789171A (en)
CA (1) CA972789A (en)
DE (1) DE2241184C3 (en)
FR (1) FR2150487B3 (en)
GB (1) GB1348431A (en)
IT (1) IT964065B (en)
NL (1) NL7211412A (en)
SE (1) SE378703B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3846600A (en) * 1973-10-23 1974-11-05 Eaton Corp Means for calibrating pressure switches at extra-low pressure settings
US5198631A (en) * 1991-09-11 1993-03-30 General Electric Company Pressure responsive control device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2873332A (en) * 1956-02-01 1959-02-10 William J Williams Adjustable differential switch actuator
US2950367A (en) * 1959-07-13 1960-08-23 Gen Motors Corp Multiple speed switch mechanism
DE1273037B (en) * 1960-11-08 1968-07-18 Walter Holzer Pressure dependent electrical switch
US3291932A (en) * 1964-12-14 1966-12-13 Controls Co Of America Pressure responsive control reset structure
US3557329A (en) * 1969-03-17 1971-01-19 Dresser Ind Pressure responsive switch

Also Published As

Publication number Publication date
FR2150487B3 (en) 1975-10-03
NL7211412A (en) 1973-02-27
SE378703B (en) 1975-09-08
DE2241184A1 (en) 1973-03-01
CA972789A (en) 1975-08-12
DE2241184C3 (en) 1976-01-02
US3789171A (en) 1974-01-29
IT964065B (en) 1974-01-21
FR2150487A1 (en) 1973-04-06
DE2241184B2 (en) 1975-04-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees