JPS54108121A - Exhaust pulsation synchronizer for internal combustion engine - Google Patents

Exhaust pulsation synchronizer for internal combustion engine

Info

Publication number
JPS54108121A
JPS54108121A JP1573078A JP1573078A JPS54108121A JP S54108121 A JPS54108121 A JP S54108121A JP 1573078 A JP1573078 A JP 1573078A JP 1573078 A JP1573078 A JP 1573078A JP S54108121 A JPS54108121 A JP S54108121A
Authority
JP
Japan
Prior art keywords
engine
exhaust
rotational frequency
exhaust pulsation
synchronizer
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
JP1573078A
Other languages
Japanese (ja)
Inventor
Fusao Tachibana
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.)
Subaru Corp
Original Assignee
Fuji Heavy Industries Ltd
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 Fuji Heavy Industries Ltd filed Critical Fuji Heavy Industries Ltd
Priority to JP1573078A priority Critical patent/JPS54108121A/en
Publication of JPS54108121A publication Critical patent/JPS54108121A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To obtain an exhaust pulsation effect in a wide range of rotaional frequency of an engine, by varying the length of exhaust pipes depending on the rotational frequency of the engine.
CONSTITUTION: Each large-diameter part 4 of a pair of exhaust pipes 2 is slidably fitted to a base mounting pipe 3 through a seal 5 and a spring 6. The base mounting pipe 3 is fixed on the engine 1. A connecting plate 7 is coupled to the casing 18 of a belt drive clutch 17 through a lever 15, a link 13, arms 12, 9 and a link 8. Therefore, the casing 18 is displaced in the axial direction depending on the rotational frequency of the engine 1, so that the exhaust pipe 2 is displaced in the axial direction through a coupling mechanism such as a lever 15 and thus the length of the exhaust pipe is varied. Thereby, the negative pressure wave of the exhaust pulsation is synchronized with the time of valve opening in a wide range of the rotational frequency of the engine. This raises the output.
COPYRIGHT: (C)1979,JPO&Japio
JP1573078A 1978-02-14 1978-02-14 Exhaust pulsation synchronizer for internal combustion engine Pending JPS54108121A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1573078A JPS54108121A (en) 1978-02-14 1978-02-14 Exhaust pulsation synchronizer for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1573078A JPS54108121A (en) 1978-02-14 1978-02-14 Exhaust pulsation synchronizer for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS54108121A true JPS54108121A (en) 1979-08-24

Family

ID=11896872

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1573078A Pending JPS54108121A (en) 1978-02-14 1978-02-14 Exhaust pulsation synchronizer for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS54108121A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5861095A (en) * 1981-10-02 1983-04-11 Sanshin Ind Co Ltd Exhaust device for marine screw
US4620510A (en) * 1983-10-24 1986-11-04 Feuling James J Apparatus and method for improving the efficiency of internal combustion engines and fluid pumping devices
DE3803320A1 (en) * 1988-02-04 1989-08-17 Martin Wimmer Internal combustion engine
US5579638A (en) * 1994-06-06 1996-12-03 Archer; Bertie T. Adjustable exhaust system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4722045U (en) * 1971-03-15 1972-11-11

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4722045U (en) * 1971-03-15 1972-11-11

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5861095A (en) * 1981-10-02 1983-04-11 Sanshin Ind Co Ltd Exhaust device for marine screw
JPH0375397B2 (en) * 1981-10-02 1991-11-29
US4620510A (en) * 1983-10-24 1986-11-04 Feuling James J Apparatus and method for improving the efficiency of internal combustion engines and fluid pumping devices
DE3803320A1 (en) * 1988-02-04 1989-08-17 Martin Wimmer Internal combustion engine
US5579638A (en) * 1994-06-06 1996-12-03 Archer; Bertie T. Adjustable exhaust system

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