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Title:
INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2019214940
Kind Code:
A
Abstract:
To make an internal combustion engine more compact while securing good durability.SOLUTION: An internal combustion engine 1 includes a cylinder 10 that can rotate around a rotation axis L, a combustion chamber defined in the cylinder, and a driving unit 40. The driving unit includes a piston 50 that is housed in the cylinder so as to slide in a rotation axis direction, and defines the combustion chamber, a slot 60 formed on a peripheral surface of the cylinder, a cam 70 arranged fixed to the periphery of the slot, and a follower 80 extending from the piston to the cam through the slot. When combustion is carried out in the combustion chamber, the piston is moved according to a profile of the cam together with the follower, the cylinder rotates around the rotation axis accordingly, and the rotation of the cylinder is taken out as engine output. The profile of the cam is formed symmetrically at 90 degrees in a circumferential direction of the rotation axis, and the follower includes four followers 80a, 80b, 80c, and 80d separated from each other at equal intervals in the circumferential direction of the rotation axis.SELECTED DRAWING: Figure 2

Inventors:
TOMODA KEIKI
Application Number:
JP2018111151A
Publication Date:
December 19, 2019
Filing Date:
June 11, 2018
Export Citation:
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Assignee:
TOYOTA MOTOR CORP
International Classes:
F02B75/28; F02B75/32; F16J10/02
Attorney, Agent or Firm:
Aoki Atsushi
Shinji Mitsuhashi
Jun Tsuruta
Koichi Ito
Nobuo Sekine
Yuichi Morimoto



 
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