GB1106350A - Voltage and load compensated flasher - Google Patents

Voltage and load compensated flasher

Info

Publication number
GB1106350A
GB1106350A GB32790/66A GB3279066A GB1106350A GB 1106350 A GB1106350 A GB 1106350A GB 32790/66 A GB32790/66 A GB 32790/66A GB 3279066 A GB3279066 A GB 3279066A GB 1106350 A GB1106350 A GB 1106350A
Authority
GB
United Kingdom
Prior art keywords
contacts
ribbon
lamp
unit
wire
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
GB32790/66A
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.)
Tung Sol Industries Inc
Original Assignee
Tung Sol Industries Inc
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 Tung Sol Industries Inc filed Critical Tung Sol Industries Inc
Publication of GB1106350A publication Critical patent/GB1106350A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/34Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
    • B60Q1/38Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction using immovably-mounted light sources, e.g. fixed flashing lamps
    • B60Q1/387Mechanical temporisation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00Electrothermal relays
    • H01H61/06Self-interrupters, i.e. with periodic or other repetitive opening and closing of contacts
    • H01H61/066Self-interrupters, i.e. with periodic or other repetitive opening and closing of contacts making use of an extensible wire, rod or strips

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Resistance Heating (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

1,106,350. Flashing signals. TUNG-SOL INDUSTRIES Inc. 21 July, 1966 [15 Sept., 1965], No. 32790/66. Heading G4Q. [Also in Division H1] A two terminal voltage and load compensated flasher comprises a first unit having two pairs of normally closed contacts 16, 18 and 36, 38 adapted to open upon expansion of a current responsive element 14 with passage of current therethrough, a second unit having a pair of normally open contacts 28, 30, and means operative when the contacts of the first unit are open for initiating closure of the normally open contacts. The first unit comprises a blade 12 held against its natural bias by pull ribbon 14. The second unit comprises an arm 24 welded to leaf spring 26 tending to close contacts 28, 30 but restrained by pull wire 22. When switch 42 is closed current flows from battery 45 through blade 12, ribbon 14 and contacts 16, 18 to light the lamp 40. Ribbon 14 heats up and expands allowing blade 12 to snap open contacts 16, 18 and 36, 38 when the lamp 40 goes out. The current then flows through resistor 34, wire 22 and arm 24, this is insufficient to light the lamp but sufficient to heat up wire 22 causing it to expand and allow contacts 28, 30 to close. During this time ribbon 14 has been cooling and contracting till it closes contacts 16, 18 and 36, 38. Current then flows through blade 12, contacts 36, 38, contacts 30, 28, arm 24, short circuiting wire 22 and ribbon 14, and lamp 40 is lit. Wire 22 cools down and contracts opening contacts 28, 30 thus the current flows through blade 12, ribbon 14 contacts 16, 18 and lamp 40 and ribbon 14 again heats up starting the cycle again. The time lamp 40 is off is the cooling time of ribbon 14 which is constant regardless of voltage and current and the time lamp 40 is on is the cooling time of wire 22 plus the heating time of ribbon 14 which sum is constant regardless of voltage and current. Figs. 6 and 7 (not shown) show the heating and cooling times of ribbon 14 and wire 22 and the on/off cycle of the lamp, Fig. 5 (not shown) shows an alternative unit for the second unit, this alternative unit being similar to the first unit and Figs. 1, 2, 3 (not shown) show the physical construction of an assembly of the two units, resistor 34 and terminals 4, 6. A back stop (8c) for blade 12 acts as a noise maker for an audible signal. An electromagnet may be positioned adjacent arm 24 to provide snap action for the opening and closing of contacts 28, 30.
GB32790/66A 1965-09-15 1966-07-21 Voltage and load compensated flasher Expired GB1106350A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US487518A US3364322A (en) 1965-09-15 1965-09-15 Voltage and load compensated flasher

Publications (1)

Publication Number Publication Date
GB1106350A true GB1106350A (en) 1968-03-13

Family

ID=23936055

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32790/66A Expired GB1106350A (en) 1965-09-15 1966-07-21 Voltage and load compensated flasher

Country Status (3)

Country Link
US (1) US3364322A (en)
DE (1) DE1516721B2 (en)
GB (1) GB1106350A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1113307A (en) * 1966-03-30 1968-05-15 Lucas Industries Ltd Thermally operable flasher units
US3657618A (en) * 1968-08-06 1972-04-18 Nippon Denso Co Windshield washer and wiper
US4517542A (en) * 1982-10-18 1985-05-14 Edison International Inc. Voltage and temperature compensated time delay relay

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE24023E (en) * 1951-07-21 1955-06-14 Schmidinger
US2842642A (en) * 1956-06-13 1958-07-08 Hoda Corp Time delay devices
US3098139A (en) * 1961-07-27 1963-07-16 Signal Stat Corp Current operated flasher with voltage and temperature compensation
US3201547A (en) * 1961-08-11 1965-08-17 Signal Stat Corp Compensated thermomotive flasher

Also Published As

Publication number Publication date
DE1516721A1 (en) 1969-09-25
DE1516721B2 (en) 1971-02-11
US3364322A (en) 1968-01-16

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