GB706770A - Improvements in fluid pressure operated electric switches - Google Patents

Improvements in fluid pressure operated electric switches

Info

Publication number
GB706770A
GB706770A GB14878/50A GB1487850A GB706770A GB 706770 A GB706770 A GB 706770A GB 14878/50 A GB14878/50 A GB 14878/50A GB 1487850 A GB1487850 A GB 1487850A GB 706770 A GB706770 A GB 706770A
Authority
GB
United Kingdom
Prior art keywords
switch
pressure
lever
electromagnet
stud
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
GB14878/50A
Other languages
English (en)
Inventor
William Harry Ruffle
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.)
SPEED DEV Co Ltd
Original Assignee
SPEED DEV Co 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
Priority to NL7513289.A priority Critical patent/NL161721B/xx
Priority to NL76975D priority patent/NL76975C/xx
Application filed by SPEED DEV Co Ltd filed Critical SPEED DEV Co Ltd
Priority to GB14878/50A priority patent/GB706770A/en
Priority to US229907A priority patent/US2718565A/en
Priority to FR1038285D priority patent/FR1038285A/fr
Priority to DES23531A priority patent/DE893984C/de
Publication of GB706770A publication Critical patent/GB706770A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Measuring Fluid Pressure (AREA)
GB14878/50A 1950-06-14 1950-06-14 Improvements in fluid pressure operated electric switches Expired GB706770A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL7513289.A NL161721B (nl) 1950-06-14 Inrichting voor het afleveren van band aan een gebruiks- machine.
NL76975D NL76975C (enrdf_load_stackoverflow) 1950-06-14
GB14878/50A GB706770A (en) 1950-06-14 1950-06-14 Improvements in fluid pressure operated electric switches
US229907A US2718565A (en) 1950-06-14 1951-06-05 Fluid pressure operated switches
FR1038285D FR1038285A (fr) 1950-06-14 1951-06-08 Interrupteur électrique actionné par fluide sous pression destiné à réagir à une variation d'une pression prédéterminée d'une source de fluide sous pression
DES23531A DE893984C (de) 1950-06-14 1951-06-15 Druckgesteuerter elektrischer Maximum-Minimum-Schalter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB14878/50A GB706770A (en) 1950-06-14 1950-06-14 Improvements in fluid pressure operated electric switches

Publications (1)

Publication Number Publication Date
GB706770A true GB706770A (en) 1954-04-07

Family

ID=10049113

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14878/50A Expired GB706770A (en) 1950-06-14 1950-06-14 Improvements in fluid pressure operated electric switches

Country Status (5)

Country Link
US (1) US2718565A (enrdf_load_stackoverflow)
DE (1) DE893984C (enrdf_load_stackoverflow)
FR (1) FR1038285A (enrdf_load_stackoverflow)
GB (1) GB706770A (enrdf_load_stackoverflow)
NL (2) NL161721B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129618A (en) * 1982-10-12 1984-05-16 Mitsubishi Electric Corp Pressure responsive device having an hysteresis characteristic
FR2620786A1 (fr) * 1987-09-20 1989-03-24 Sempell Ag Dispositif permettant d'influencer la valeur de retour d'une soupape

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1099227A (fr) * 1953-04-27 1955-08-31 Olaer Patent Co Perfectionnements aux appareils permettant de contrôler un appareillage électrique par la pression d'un fluide
US2807686A (en) * 1955-01-03 1957-09-24 Robert B Clendenin Automatic control switch
US2990780A (en) * 1959-02-16 1961-07-04 Robertshaw Fulton Controls Co Control for fluid system
US3056004A (en) * 1959-08-10 1962-09-25 Allen V C Davis Sensitive pressure switch
US3103219A (en) * 1961-07-27 1963-09-10 Richard T Chadner Sleep inducing heating pad
DE3109453C2 (de) * 1980-04-01 1985-11-14 Fa. Andreas Maier, 7012 Fellbach "Drucksteuergerät"
CN114188181B (zh) * 2022-02-17 2022-05-24 成都凯天电子股份有限公司 一种用于飞机废水系统的高度开关

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE164687C (enrdf_load_stackoverflow) *
US1214920A (en) * 1914-02-16 1917-02-06 New Jersey Patent Co Electric switch.
US1827103A (en) * 1929-01-28 1931-10-13 Penn Electric Switch Co Differential widening means
US2310138A (en) * 1941-10-23 1943-02-02 Westinghouse Electric & Mfg Co Electrical switching apparatus
GB647445A (en) * 1948-07-30 1950-12-13 Speed Dev Company Ltd Improvements in fluid pressure operated electric switches

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129618A (en) * 1982-10-12 1984-05-16 Mitsubishi Electric Corp Pressure responsive device having an hysteresis characteristic
FR2620786A1 (fr) * 1987-09-20 1989-03-24 Sempell Ag Dispositif permettant d'influencer la valeur de retour d'une soupape
GB2213911A (en) * 1987-09-20 1989-08-23 Sempell Ag Valve
US4938120A (en) * 1987-09-20 1990-07-03 Sempell Aktiengesellschaft Device for influencing the reset value of a valve
GB2213911B (en) * 1987-09-20 1992-04-01 Sempell Ag Fluid generated drive assembly

Also Published As

Publication number Publication date
NL161721B (nl)
FR1038285A (fr) 1953-09-28
DE893984C (de) 1953-10-22
NL76975C (enrdf_load_stackoverflow)
US2718565A (en) 1955-09-20

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