Title:
ENGINE
Document Type and Number:
WIPO Patent Application WO/2023/163085
Kind Code:
A1
Abstract:
[Problem] To provide an engine, the bore and stroke of which can be freely designed without being limited by the length of a connecting rod or crank arm. [Solution] This engine comprises: a substantially columnar piston 11 equipped with piston heads 12 on both left and right end faces; an internal gear 14a that is formed along the inner wall of a through hole 14 having a predetermined inner diameter and formed along the radial direction of the piston at the center of the peripheral wall of the piston; a gear 15 meshing with the internal gear; a substantially rod-shaped crank arm 18 having at the leading end a crank pin 17 that pivotally supports the gear, and a crank shaft 19 at the base end; a disk-shaped eccentric free rotor 16 having approximately the same diameter as the inner diameter of the through hole, rotatably fitted into the through hole, and pivotally supported by the crank pin together with the gear; and a cylinder case 20 equipped with a cylindrical cylinder 20a into which the piston is inserted, and formed by connecting a combustion chamber 21 facing the piston head to both ends of the cylinder.
Inventors:
KONDO TADAYOSHI (JP)
Application Number:
PCT/JP2023/006629
Publication Date:
August 31, 2023
Filing Date:
February 24, 2023
Export Citation:
Assignee:
NIHON VIDEO CENTER CO LTD (JP)
KONDO TADAYOSHI (JP)
KONDO TADAYOSHI (JP)
International Classes:
F01B1/01; F01B9/02; F01B9/08; F02B75/24; F16H21/36
Foreign References:
| JPS5757951A | 1982-04-07 | |||
| JPS63167031A | 1988-07-11 | |||
| JP2015507158A | 2015-03-05 | |||
| JPH07150920A | 1995-06-13 | |||
| JPS5221569A | 1977-02-18 | |||
| JPS549363A | 1979-01-24 | |||
| US4936111A | 1990-06-26 |
Attorney, Agent or Firm:
MIYAKE Hazime et al. (JP)
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