GB439138A - Improvements in or relating to electromagnetic relays - Google Patents

Improvements in or relating to electromagnetic relays

Info

Publication number
GB439138A
GB439138A GB384/35A GB38435A GB439138A GB 439138 A GB439138 A GB 439138A GB 384/35 A GB384/35 A GB 384/35A GB 38435 A GB38435 A GB 38435A GB 439138 A GB439138 A GB 439138A
Authority
GB
United Kingdom
Prior art keywords
relating
electromagnetic relays
film
per cent
nickel
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
GB384/35A
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
Publication of GB439138A publication Critical patent/GB439138A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/081—Magnetic constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/163—Details concerning air-gaps, e.g. anti-remanence, damping, anti-corrosion

Abstract

In an electromagnetic relay in which a film of non - magnetic and non-oxidizing material is arranged to be interposed between the armature and core, this film may be formed of Hopkinson's nickel alloy consisting of 75 per cent of iron and 25 per cent of nickel.
GB384/35A 1934-01-06 1935-01-04 Improvements in or relating to electromagnetic relays Expired GB439138A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE439138X 1934-01-06

Publications (1)

Publication Number Publication Date
GB439138A true GB439138A (en) 1935-11-29

Family

ID=6507260

Family Applications (1)

Application Number Title Priority Date Filing Date
GB384/35A Expired GB439138A (en) 1934-01-06 1935-01-04 Improvements in or relating to electromagnetic relays

Country Status (1)

Country Link
GB (1) GB439138A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2597952A (en) * 1947-09-02 1952-05-27 Packard Motor Car Co Valve construction
US2631705A (en) * 1949-09-06 1953-03-17 Eaton Mfg Co Magnetic fluid clutch with nonconductive surface coating
DE953372C (en) * 1952-08-01 1956-11-29 Siemens Ag Method for achieving long fall times in electromagnetic relays
FR2370347A1 (en) * 1976-11-06 1978-06-02 Philips Nv PROCESS FOR THE MANUFACTURE OF AN ELECTRO-MAGNET AND ELECTRO-MAGNET MANUFACTURED FROM THE KIND
FR2514462A1 (en) * 1981-10-14 1983-04-15 Avm Corp MAGNETICALLY ACTUATED AIR VALVE AND METHOD FOR FORMING AN AIR GAP FOR THE VALVE
US4482129A (en) * 1982-06-10 1984-11-13 The United States Of America As Represented By The United States Department Of Energy All metal valve structure for gas systems

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2597952A (en) * 1947-09-02 1952-05-27 Packard Motor Car Co Valve construction
US2631705A (en) * 1949-09-06 1953-03-17 Eaton Mfg Co Magnetic fluid clutch with nonconductive surface coating
DE953372C (en) * 1952-08-01 1956-11-29 Siemens Ag Method for achieving long fall times in electromagnetic relays
FR2370347A1 (en) * 1976-11-06 1978-06-02 Philips Nv PROCESS FOR THE MANUFACTURE OF AN ELECTRO-MAGNET AND ELECTRO-MAGNET MANUFACTURED FROM THE KIND
FR2514462A1 (en) * 1981-10-14 1983-04-15 Avm Corp MAGNETICALLY ACTUATED AIR VALVE AND METHOD FOR FORMING AN AIR GAP FOR THE VALVE
DE3227613A1 (en) * 1981-10-14 1983-04-28 AVM Corp., 14701 Jamestown, N.Y. SOLENOID VALVE
US4601458A (en) * 1981-10-14 1986-07-22 Avm Corporation Magnetic air valve
US4482129A (en) * 1982-06-10 1984-11-13 The United States Of America As Represented By The United States Department Of Energy All metal valve structure for gas systems

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