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JPS53125520A - Valve movement equipment for internal combustion engine - Google Patents

Valve movement equipment for internal combustion engine

Info

Publication number
JPS53125520A
JPS53125520A JP4017277A JP4017277A JPS53125520A JP S53125520 A JPS53125520 A JP S53125520A JP 4017277 A JP4017277 A JP 4017277A JP 4017277 A JP4017277 A JP 4017277A JP S53125520 A JPS53125520 A JP S53125520A
Authority
JP
Japan
Prior art keywords
combustion engine
internal combustion
movement equipment
valve movement
load
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
JP4017277A
Other languages
Japanese (ja)
Inventor
Shinji Kato
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.)
Toyota Motor Corp
Original Assignee
Toyota 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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP4017277A priority Critical patent/JPS53125520A/en
Publication of JPS53125520A publication Critical patent/JPS53125520A/en
Pending legal-status Critical Current

Links

Landscapes

  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

PURPOSE: A valve movement equipment for internal combustion engine of varyable valve spring load type to increase or decrease the valve spring load to the light load at low speed range of the internal combustion engine or to the heavy load at the high speed range.
COPYRIGHT: (C)1978,JPO&Japio
JP4017277A 1977-04-08 1977-04-08 Valve movement equipment for internal combustion engine Pending JPS53125520A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4017277A JPS53125520A (en) 1977-04-08 1977-04-08 Valve movement equipment for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4017277A JPS53125520A (en) 1977-04-08 1977-04-08 Valve movement equipment for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS53125520A true JPS53125520A (en) 1978-11-01

Family

ID=12573341

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4017277A Pending JPS53125520A (en) 1977-04-08 1977-04-08 Valve movement equipment for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS53125520A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5713207A (en) * 1980-06-27 1982-01-23 Daihatsu Motor Co Ltd Spring arrangement for inlet or exhaust valve of internal combustion engine
JPS57148003U (en) * 1981-03-11 1982-09-17
JPS5941605U (en) * 1982-09-09 1984-03-17 トヨタ自動車株式会社 Spring device for intake and exhaust valves of internal combustion engines
DE4129637A1 (en) * 1991-09-06 1993-03-11 Schaeffler Waelzlager Kg DEVICE FOR CHANGING THE SPRING FORCE OF A VALVE SPRING
WO2009052840A1 (en) * 2007-10-18 2009-04-30 Fev Motorentechnik Gmbh Value spring deactivation

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5713207A (en) * 1980-06-27 1982-01-23 Daihatsu Motor Co Ltd Spring arrangement for inlet or exhaust valve of internal combustion engine
JPS57148003U (en) * 1981-03-11 1982-09-17
JPS6311287Y2 (en) * 1981-03-11 1988-04-02
JPS5941605U (en) * 1982-09-09 1984-03-17 トヨタ自動車株式会社 Spring device for intake and exhaust valves of internal combustion engines
DE4129637A1 (en) * 1991-09-06 1993-03-11 Schaeffler Waelzlager Kg DEVICE FOR CHANGING THE SPRING FORCE OF A VALVE SPRING
DE4129637C2 (en) * 1991-09-06 1998-04-09 Schaeffler Waelzlager Ohg Device for changing the spring force of a valve spring
WO2009052840A1 (en) * 2007-10-18 2009-04-30 Fev Motorentechnik Gmbh Value spring deactivation

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