INTERNAL COMBUSTION ENGINE - TOYOTA MOTOR CO LTD

Title:

INTERNAL COMBUSTION ENGINE

Document Type and Number:

WIPO Patent Application WO/2012/095999

Kind Code:

A1

Abstract:

An internal combustion engine equipped with: a volume-variable device with which the volume of the combustion chamber is changed by the compression of a gas spring when the combustion chamber pressure reaches the control pressure; a pressure-changing device that changes the pressure of the gas of the gas spring; and a volume-changing device that changes the volume of the compression space wherein the gas of the gas spring is compressed. The internal combustion engine detects the operating state and performs control such that the pressure of the gas of the gas spring is decreased and the volume of the compression space is reduced as the combustion rate of the fuel in the combustion chamber increases.

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Inventors:

ASHIZAWA TAKESHI (JP)

Application Number:

PCT/JP2011/051025

Publication Date:

July 19, 2012

Filing Date:

January 14, 2011

Export Citation:

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Assignee:

TOYOTA MOTOR CO LTD (JP)
ASHIZAWA TAKESHI (JP)

International Classes:

F02D15/04; F02B23/00

Foreign References:

JPH10122000A	1998-05-12
JPH04292538A	1992-10-16
JPS6325312A	1988-02-02

Attorney, Agent or Firm:

AOKI, Atsushi et al. (JP)
Aoki 篤 (JP)

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