GB1362420A - Ignition distributor for an internal combustion engine - Google Patents

Ignition distributor for an internal combustion engine

Info

Publication number
GB1362420A
GB1362420A GB5176971A GB5176971A GB1362420A GB 1362420 A GB1362420 A GB 1362420A GB 5176971 A GB5176971 A GB 5176971A GB 5176971 A GB5176971 A GB 5176971A GB 1362420 A GB1362420 A GB 1362420A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
vacuum
spring
adjustable
distributor
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
GB5176971A
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.)
Ducellier et Cie
Original Assignee
Ducellier et Cie
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 Ducellier et Cie filed Critical Ducellier et Cie
Publication of GB1362420A publication Critical patent/GB1362420A/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
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/05—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using mechanical means
    • F02P5/10—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using mechanical means dependent on fluid pressure in engine, e.g. combustion-air pressure
    • F02P5/103—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using mechanical means dependent on fluid pressure in engine, e.g. combustion-air pressure dependent on the combustion-air pressure in engine

Abstract

1362420 Timing ignition DUCELLIER & CIE 8 Nov 1971 [10 Nov 1970] 51769/71 Heading F1B [Also in Division H1] In a double-action vacuum advance capsule 2 for an ignition distributor for an internal combustion engine, two resilient members 12, 18 act independently of each other against the vacuum in the chambers 6 and 5 respectively and also bring diaphragm 7 into a rest position, the rest position being adjustable and the force of members 12, 18 being adjustable independently of each other. If a vacuum is drawn in chamber 5, diaphragm 7 moves in the direction of arrow F1 and its movement is resisted by spring 18 being compressed between the head 19 of plunger 11 attached to diaphragm 7 and the bottom 13a of cup-shaped element 13 engaging flange 15a of ring 15. The force of spring 18 is adjusted by screwing plunger 11 in or out of traction rod 9 secured between diaphragm 7 and the distributor plate (not shown). If a vacuum is drawn in chamber 6, diaphragm 7 moves in the direction of arrow F2 and its movement is resisted by spring 12 being compressed between the bottom 13a of element 13 and cavity 16 of support member 17. The force of spring 12 is adjusted by screwing member 17 in or out of sleeve 20. The rest position of diaphragm 7, when chambers 5, 6 are at atmospheric pressure, as shown in Fig. 1, is adjusted by screwing in or out ring 15 in sleeve 20. With the above, an advance, curve L2, and a retard, curve L1, of the moment of sparking as a function of vacuum and speed of the engine can be obtained as shown in Fig. 4. In a second embodiment, Fig. 2 (not shown), the two springs are inside the distributor housing and are connected between the wall of the housing and two pivoted levers 39 and 44 which both act on the end of the traction rod 35 joined to the diaphragm 30, each spring 37, 42 coming into action on diaphragm 30 moving in different directions and being taken out of action by a stop 40 against which levers 39, 44 rest in the opposite directions. Stop 40 is adjustable e.g. an eccentric, and springs 37, 42 are fastened to casing 1 by members 38, 43 which are adjustable. A third embodiment, Fig. 3 (not shown) is as the second embodiment except that the end of the traction rod is not linked to the distributor plate but to a lever 49 linked to arm 46 of the interrupter 47.
GB5176971A 1970-11-10 1971-11-08 Ignition distributor for an internal combustion engine Expired GB1362420A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7040398A FR2112812A5 (en) 1970-11-10 1970-11-10

Publications (1)

Publication Number Publication Date
GB1362420A true GB1362420A (en) 1974-08-07

Family

ID=9064023

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5176971A Expired GB1362420A (en) 1970-11-10 1971-11-08 Ignition distributor for an internal combustion engine

Country Status (7)

Country Link
BE (1) BE774156A (en)
DE (1) DE2154861A1 (en)
ES (1) ES396815A1 (en)
FR (1) FR2112812A5 (en)
GB (1) GB1362420A (en)
IT (1) IT940449B (en)
NL (1) NL7114969A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2838726A1 (en) * 1978-09-06 1980-03-27 Bosch Gmbh Robert IGNITION DISTRIBUTOR FOR INTERNAL COMBUSTION ENGINES
DE3135044A1 (en) * 1981-09-04 1983-03-24 Robert Bosch Gmbh, 7000 Stuttgart Ignition distributor for internal combustion engines

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393157A1 (en) * 1977-06-03 1978-12-29 Mitsubishi Motors Corp Pneumatic control appts. for IC engines - has exhaust gas cleaning system characterised by vacuum control valve with negative pressure chamber and pair of flow restrictors
HU188731B (en) * 1981-12-28 1986-05-28 Bakony Fem- Es Elektromoskeszuelek Muevek,Hu Depression automatic sparking advace for ignition distributor of internal combustion machines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2838726A1 (en) * 1978-09-06 1980-03-27 Bosch Gmbh Robert IGNITION DISTRIBUTOR FOR INTERNAL COMBUSTION ENGINES
DE3135044A1 (en) * 1981-09-04 1983-03-24 Robert Bosch Gmbh, 7000 Stuttgart Ignition distributor for internal combustion engines

Also Published As

Publication number Publication date
NL7114969A (en) 1972-05-15
ES396815A1 (en) 1974-06-01
BE774156A (en) 1972-02-14
IT940449B (en) 1973-02-10
FR2112812A5 (en) 1972-06-23
DE2154861A1 (en) 1972-05-31

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Legal Events

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