GB1209408A - Improvements in and relating to a choke control device for an internal combustion engine carburettor - Google Patents

Improvements in and relating to a choke control device for an internal combustion engine carburettor

Info

Publication number
GB1209408A
GB1209408A GB1925369A GB1925369A GB1209408A GB 1209408 A GB1209408 A GB 1209408A GB 1925369 A GB1925369 A GB 1925369A GB 1925369 A GB1925369 A GB 1925369A GB 1209408 A GB1209408 A GB 1209408A
Authority
GB
United Kingdom
Prior art keywords
rod
contact
pawl
contacts
switch
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
GB1925369A
Inventor
Per Sune Gillbrand
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.)
Saab AB
Original Assignee
Saab AB
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 Saab AB filed Critical Saab AB
Publication of GB1209408A publication Critical patent/GB1209408A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M1/00—Carburettors with means for facilitating engine's starting or its idling below operational temperatures
    • F02M1/08—Carburettors with means for facilitating engine's starting or its idling below operational temperatures the means to facilitate starting or idling becoming operative or inoperative automatically
    • F02M1/10—Carburettors with means for facilitating engine's starting or its idling below operational temperatures the means to facilitate starting or idling becoming operative or inoperative automatically dependent on engine temperature, e.g. having thermostat

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Means For Warming Up And Starting Carburetors (AREA)

Abstract

1,209,408. Spray carburetters. SAAB A.B April 15, 1969 [April 16, 1968], No. 19253/69 Heading F1B. [Also in Division H1l In a device for operating a choke valve comprising a rod 5 displaceable in a housing 1 and connectible to the valve by a wire 7, a pawl 12 mounted in the housing co-operates with teeth 9a 9e on the rod to define a plurality of rod positions and therefore valve positions. The pawl 12 is intermittently operated to allow the rod to move inwardly of the housing under the bias of the choke valve spring by an electromagnet 17 actuated by a temperature sensitive switch 25 with a bimetal coil 26 immersed in the engine cooling water. The electromagnet 17 is earthed through a conductor 20, a contact 21 on the rod 5, contact pins 23a ..... 23e and contacts 27b ..... 27e in the switch 25. A contact pin 24 is earthed through a switch 32 which is closed when the engine is operating at a speed above starter motor speed. Closure of the switch 32 operates the electromagnet 17 to raise the pawl 12 and allow the rod 5 to move inwardly until the contact 21 clears contact 23a and engages contact 23b. The pawl 12 will be operated intermittently when the coil 26 contacts the contacts 27b .... 27e with increasing cooling water temperature. With a hot engine the contacts 27b .... 27e are short-circuited by the coil 26 and if the rod 5 is pulled out it will be moved fully inwardly when the engine is started. The rod 5 may be rotated against the restraint of a spring wire 37 when stepping operation of the rod is not desired.
GB1925369A 1968-04-16 1969-04-15 Improvements in and relating to a choke control device for an internal combustion engine carburettor Expired GB1209408A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE502168A SE324260B (en) 1968-04-16 1968-04-16

Publications (1)

Publication Number Publication Date
GB1209408A true GB1209408A (en) 1970-10-21

Family

ID=20265518

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1925369A Expired GB1209408A (en) 1968-04-16 1969-04-15 Improvements in and relating to a choke control device for an internal combustion engine carburettor

Country Status (3)

Country Link
DE (2) DE6914717U (en)
GB (1) GB1209408A (en)
SE (1) SE324260B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2463695A1 (en) * 1979-08-24 1981-02-27 Smiths Industries Ltd IC engine choke operation warning circuit - has thermistor in temp. gauge to close switch and flash warning light when engine warms up
GB2210409A (en) * 1987-09-25 1989-06-07 Motaproducts Automotive Limite Carburettor manual choke conversion

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5676140U (en) * 1979-11-15 1981-06-22
FR2535397A1 (en) * 1982-10-28 1984-05-04 Peugeot Automatic control device for a manual control, such as a choke pull, for example

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2463695A1 (en) * 1979-08-24 1981-02-27 Smiths Industries Ltd IC engine choke operation warning circuit - has thermistor in temp. gauge to close switch and flash warning light when engine warms up
GB2210409A (en) * 1987-09-25 1989-06-07 Motaproducts Automotive Limite Carburettor manual choke conversion
GB2210409B (en) * 1987-09-25 1992-06-03 Motaproducts Automotive Limite Improvements in or relating to carburettors

Also Published As

Publication number Publication date
DE6914717U (en) 1971-04-14
SE324260B (en) 1970-05-25
DE1918707A1 (en) 1970-01-22

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee