FR1247205A - Perfectionnements aux appareils de commande à relais électromagnétique - Google Patents

Perfectionnements aux appareils de commande à relais électromagnétique

Info

Publication number
FR1247205A
FR1247205A FR817532A FR817532A FR1247205A FR 1247205 A FR1247205 A FR 1247205A FR 817532 A FR817532 A FR 817532A FR 817532 A FR817532 A FR 817532A FR 1247205 A FR1247205 A FR 1247205A
Authority
FR
France
Prior art keywords
control devices
electromagnetic relay
relay control
electromagnetic
devices
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
FR817532A
Other languages
English (en)
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.)
Keelavite Co Ltd
Original Assignee
Keelavite 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
Application filed by Keelavite Co Ltd filed Critical Keelavite Co Ltd
Application granted granted Critical
Publication of FR1247205A publication Critical patent/FR1247205A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/06—Filters making use of electricity or magnetism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/143—Filter condition indicators
    • 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
    • H01H35/32—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by bellows
    • 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
    • H01H35/40—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Measuring Fluid Pressure (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Relay Circuits (AREA)
FR817532A 1959-02-12 1960-02-04 Perfectionnements aux appareils de commande à relais électromagnétique Expired FR1247205A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB497459A GB895748A (en) 1959-02-12 1959-02-12 Improvements relating to relay apparatus

Publications (1)

Publication Number Publication Date
FR1247205A true FR1247205A (fr) 1960-11-25

Family

ID=9787385

Family Applications (1)

Application Number Title Priority Date Filing Date
FR817532A Expired FR1247205A (fr) 1959-02-12 1960-02-04 Perfectionnements aux appareils de commande à relais électromagnétique

Country Status (3)

Country Link
ES (1) ES255387A1 (fr)
FR (1) FR1247205A (fr)
GB (1) GB895748A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3250873A (en) * 1964-03-20 1966-05-10 Marvel Eng Co Filter signal
US3335694A (en) * 1964-09-04 1967-08-15 Dwyer Mfg Co F W Bistable magnetic pressure indicator
US3301141A (en) * 1964-10-20 1967-01-31 Fairchild Hiller Corp Magnetically damped pneumatic control devices
US3412706A (en) * 1965-04-09 1968-11-26 Bowser Inc Differential pressure indicator
US3442248A (en) * 1967-01-11 1969-05-06 United Parmatic Corp Magnetic indicating device
US3841158A (en) * 1972-01-03 1974-10-15 Bailey Meter Co Differential pressure transmitter overrange protection
JPS5959439U (ja) * 1982-10-12 1984-04-18 三菱電機株式会社 ダイアフラム装置
US4668889A (en) * 1986-06-06 1987-05-26 Adams Donald L Static overpressure protection system for differential pressure transducer
CN109029833A (zh) * 2018-10-15 2018-12-18 河北领冠仪器仪表有限公司 一种磁性差压表及其使用方法
CN114496646B (zh) * 2022-02-18 2024-07-02 朗松珂利(上海)仪器仪表有限公司 远传式气体密度继电器

Also Published As

Publication number Publication date
ES255387A1 (es) 1960-04-16
GB895748A (en) 1962-05-09

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