FR978401A - Electromagnetic polarity inverter - Google Patents

Electromagnetic polarity inverter

Info

Publication number: FR978401A
Authority: FR; France
Prior art keywords: polarity inverter; electromagnetic polarity; electromagnetic; inverter; polarity
Prior art date: 1948-01-03
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

Other languages

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.)

Lucas Support Services Ltd

Original Assignee

Rotax 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.)

1948-01-03

Filing date

1948-12-31

Publication date

1951-04-13

1948-12-31 Application filed by Rotax Ltd filed Critical Rotax Ltd

1951-04-13 Application granted granted Critical

1951-04-13 Publication of FR978401A publication Critical patent/FR978401A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/02—Non-polarised relays
- H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
- H01H51/12—Armature is movable between two limit positions of rest and is moved in both directions due to the energisation of one or the other of two electromagnets without the storage of energy to effect the return movement
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H2050/049—Assembling or mounting multiple relays in one common housing
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/005—Inversing contactors

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Tumbler Switches (AREA)
Breakers (AREA)

FR978401D 1948-01-03 1948-12-31 Electromagnetic polarity inverter Expired FR978401A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB2564246X		1948-01-03

Publications (1)

Publication Number	Publication Date
FR978401A true FR978401A (en)	1951-04-13

Family

ID=10910233

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR978401D Expired FR978401A (en)	1948-01-03	1948-12-31	Electromagnetic polarity inverter

Country Status (3)

Country	Link
US (1)	US2564246A (en)
DE (1)	DE832449C (en)
FR (1)	FR978401A (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3103564A (en) *		1963-09-10		Solenoid switch operating mechanism
DE976366C (en) *	1951-08-03	1963-07-25	Licentia Gmbh	Electrical contactor for high switching frequency
DE1112176B (en) *	1956-10-27	1961-08-03	Weyer & Zander K G	Air rifles with mechanically coupled anchors
US2946872A (en) *	1957-12-19	1960-07-26	Cutler Hammer Inc	Shock and vibration resistant electromagnetic contactor
DE1120550B (en) *	1959-02-11	1961-12-28	Starkstrom Schaltgeraetefabrik	Electromagnetic switchgear
US3032627A (en) *	1959-03-05	1962-05-01	System Analyzer Corp	Electrical switch
US3138678A (en) *	1962-02-05	1964-06-23	Littelfuse Inc	Automatically calibrated electromagnetic relay
US3339160A (en) *	1965-08-02	1967-08-29	Cutler Hammer Inc	Electromagnetic contactor and means for damping the armature momentum
US4259652A (en) *	1979-04-30	1981-03-31	Eltra Corporation	Reversing relay for permanent magnet DC motor
US4399335A (en) *	1981-08-03	1983-08-16	General Motors Corporation	Switch actuator assembly
US4403121A (en) *	1981-08-03	1983-09-06	General Motors Corporation	Remote control unit
JPS603817A (en) *	1983-06-20	1985-01-10	株式会社東海理化電機製作所	Switch unit for controlling motor
US4747010A (en) *	1987-04-16	1988-05-24	General Electric Company	Bi-stable electromagnetic device
DE102006010828B3 (en) *	2006-03-07	2007-05-03	Tyco Electronics Amp Gmbh	Electric switching element, especially relay, has swiveling levers-type switching mechanism
FR2981788B1 (en) *	2011-10-21	2014-02-14	Schneider Electric Ind Sas	ELECTRICAL SWITCHING DEVICE, ELECTRICAL DEVICE COMPRISING SUCH DEVICE AND THREE-PHASE INVERTER INCLUDING SUCH AN APPARATUS
CN103295847B (en) *	2012-03-01	2016-12-07	德昌电机(深圳)有限公司	Driving means and there is the relay of this driving means
GB201402560D0 (en) *	2014-02-13	2014-04-02	Johnson Electric Sa	Improvements in or relating to electrical contactors
CN218182136U (en) *	2022-04-29	2022-12-30	华为数字能源技术有限公司	Converter and relay

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US799016A (en) *	1904-05-31	1905-09-05	Schwarze Electric Company	Electric bell or like device.
US1019484A (en) *	1911-12-06	1912-03-05	Patrick Kennedy	Electric switch.
US1422523A (en) *	1914-10-12	1922-07-11	Gamewell Fire Alarm Telegraph	Signaling mechanism
US1562646A (en) *	1918-02-05	1925-11-24	Kellogg Switchboard & Supply	Rectifier relay
US1991037A (en) *	1932-02-18	1935-02-12	Gen Motors Corp	Switch
US2082493A (en) *	1933-05-24	1937-06-01	Hartman Electric Mfg Company	Stationary contact system for vibratory switches
US2315920A (en) *	1940-10-08	1943-04-06	Guardian Electric Mfg Co	Impulse operated selector switch for alternating and direct current
US2448772A (en) *	1943-11-26	1948-09-07	Cook Electric Co	Differential relay
US2436224A (en) *	1944-08-29	1948-02-17	Gen Electric	Differential electromagnet having snap action
US2431025A (en) *	1944-10-04	1947-11-18	Metals & Controls Corp	Split phase motor control

1948
- 1948-12-20 US US66272A patent/US2564246A/en not_active Expired - Lifetime
- 1948-12-31 FR FR978401D patent/FR978401A/en not_active Expired
1950
- 1950-08-25 DE DER3381A patent/DE832449C/en not_active Expired

Also Published As

Publication number	Publication date
DE832449C (en)	1952-02-25
US2564246A (en)	1951-08-14

Publication	Publication Date	Title
FR978401A (en)	1951-04-13	Electromagnetic polarity inverter
FR991920A (en)	1951-10-11	Synchrotron
FR1018285A (en)	1953-01-05	Electromagnetic switch
FR990930A (en)	1951-09-27	Underwear
AT172483B (en)	1952-09-10	Closure
FR969498A (en)	1950-12-20	Sign
FI25041A (en)	1951-05-10	Electromagnetic drive
FR966472A (en)	1950-10-11	Polarity inverter
ES183513A1 (en)	1948-06-16	IMPROVEMENTS IN ELECTROMAGNETIC GUIDEWAYS
FR968123A (en)	1950-11-20	Underwear
FR971118A (en)	1951-01-12	Underwear
ES185091A1 (en)	1949-01-16	IMPROVEMENTS IN THE CONSTRUCTION OF ELECTRIC WELDERS BY INDUCTION
AT168858B (en)	1951-09-10	Electromagnetic pickup
FI24835A (en)	1951-01-10	Med bettmagasin försedd rakningsapparat
FI23820A (en)	1949-07-09	Cylinderlås med nyckel
FR976188A (en)	1951-03-14	Advanced fitting
FR58130E (en)	1953-09-21	False-breasted underwear
FR995250A (en)	1951-11-29	Construction panel
AT180236B (en)	1954-11-25	Wehrschütz
ES18197Y (en)	1950-08-16	Box-case
BE585725Q (en)	1960-06-16	Vensters
ES16579Y (en)	1948-12-01	Portaviews
ES17250Y (en)	1949-01-01	Espadrille
FI23885A (en)	1949-08-10	Avtappningskran
FI24750A (en)	1950-12-11	Bykpinne