WANKEL ROTARY ENGINE - DA VINCI CO LTD

Title:

WANKEL ROTARY ENGINE

Document Type and Number:

WIPO Patent Application WO/2010/013750

Kind Code:

A1

Abstract:

A roller (58) is rotatably held at an end of an eccentrically supporting roller-shaft (50), and the roller (58) is in contact with a circular side surface on the inner periphery of a rotor (40). This causes rotational resistance of the rotor (40) occurring when the rotor (40) is eccentrically rotated to be less than rotational resistance occurring in a structure in which an internally toothed gear formed on the inner periphery of the rotor and an externally toothed gear formed on an eccentric shaft are meshed with each other. As a result, a rotating shaft (52) can be efficiently rotated and driven even if a pressure difference is small and energy for rotating the roller (58) is small.

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Inventors:

HIGASHI KENJI (JP)
NAKASUKA SHINICHI (JP)
HIMENO TAKEHIRO (JP)
OGAWA MASARU (JP)
HORI YUUJI (JP)
TANABE HIROYUKI (JP)

Application Number:

PCT/JP2009/063505

Publication Date:

February 04, 2010

Filing Date:

July 29, 2009

Export Citation:

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Assignee:

DA VINCI CO LTD (JP)
UNIV TOKYO (JP)
HIGASHI KENJI (JP)
NAKASUKA SHINICHI (JP)
HIMENO TAKEHIRO (JP)
OGAWA MASARU (JP)
HORI YUUJI (JP)
TANABE HIROYUKI (JP)

International Classes:

F01C1/22; F01C21/06; F02G1/043

Domestic Patent References:

WO2007029662A1

2007-03-15

Foreign References:

JPS4959304A	1974-06-08
JPS56147387U	1981-11-06
JPH10311405A	1998-11-24
JPS62220763A	1987-09-28
JPS5877191A	1983-05-10
JPH04228802A	1992-08-18
JP2004263682A	2004-09-24
JPH06140421A	1994-05-20

Other References: