JPS57200636A - Engine controlled in number of operating cylinder - Google Patents

Engine controlled in number of operating cylinder

Info

Publication number
JPS57200636A
JPS57200636A JP8625781A JP8625781A JPS57200636A JP S57200636 A JPS57200636 A JP S57200636A JP 8625781 A JP8625781 A JP 8625781A JP 8625781 A JP8625781 A JP 8625781A JP S57200636 A JPS57200636 A JP S57200636A
Authority
JP
Japan
Prior art keywords
opened
fuel
control valve
vacuum
spring
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.)
Pending
Application number
JP8625781A
Other languages
Japanese (ja)
Inventor
Hiroichi Mokuya
Takeo Kitayama
Katsuhisa Suzuki
Masao Yokoo
Hiroyuki Komatsu
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.)
Suzuki Motor Corp
Original Assignee
Suzuki Motor Corp
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 Suzuki Motor Corp filed Critical Suzuki Motor Corp
Priority to JP8625781A priority Critical patent/JPS57200636A/en
Publication of JPS57200636A publication Critical patent/JPS57200636A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D17/00—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling
    • F02D17/02—Cutting-out

Abstract

PURPOSE:To prevent a fuel amount upon a partial cylinder operation from increasing by a method wherein an accelerating fuel pump is operated in response to a lastly opened control valve among the cylinder control valves sequentially opened in accordance with a running speed. CONSTITUTION:The control valves 22, 23 are opened sequentially in accordance with the running speed or the opening degree of a throttle valve 3. Here, while the last control valve 23 is being closed, a high vacuum is impressed to the pressure chamber 10 of the vacuum actuator 81 of the accelerating pump 5 and a rod 9 is being pulled upwardly. Accordingly, a needle valve body 6 is pushed upwardly by the energizing force of a spring 7 and a fuel passage 11 is closed. When the control valve 23 is opened, the vacuum is decreased, therefore, the rod 9 is pushed down and the needle valve body 6 is lowered against the energizing force of the spring 7. Accordingly, the fuel passage 11 is opened and the amount of the fuel fed to a nozzle 13 through the passageway 11 is increased.
JP8625781A 1981-06-04 1981-06-04 Engine controlled in number of operating cylinder Pending JPS57200636A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8625781A JPS57200636A (en) 1981-06-04 1981-06-04 Engine controlled in number of operating cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8625781A JPS57200636A (en) 1981-06-04 1981-06-04 Engine controlled in number of operating cylinder

Publications (1)

Publication Number Publication Date
JPS57200636A true JPS57200636A (en) 1982-12-08

Family

ID=13881762

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8625781A Pending JPS57200636A (en) 1981-06-04 1981-06-04 Engine controlled in number of operating cylinder

Country Status (1)

Country Link
JP (1) JPS57200636A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6040738A (en) * 1983-08-13 1985-03-04 Mazda Motor Corp Fuel controller for cylinder number controlling engine
JPS6040739A (en) * 1983-08-13 1985-03-04 Mazda Motor Corp Fuel controller for cylinder number controlling engine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6040738A (en) * 1983-08-13 1985-03-04 Mazda Motor Corp Fuel controller for cylinder number controlling engine
JPS6040739A (en) * 1983-08-13 1985-03-04 Mazda Motor Corp Fuel controller for cylinder number controlling engine
JPH0444091B2 (en) * 1983-08-13 1992-07-20 Mazda Motor
JPH0444092B2 (en) * 1983-08-13 1992-07-20 Mazda Motor

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