The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 22, 1977
Filed:
Sep. 18, 1975
John D Sheldon, Zion, IL (US);
Outboard Marine Corporation, Waukegan, IL (US);
Abstract
Disclosed herein is a rotary piston engine comprising a housing assembly including a trochoid housing and a pair of end housings aligned and secured together to define a trochoid cavity, a shaft rotatably supported in the end housings and having an eccentric portion disposed in the trochoid cavity, a rotary piston rotatably supported on the eccentric portion of the shaft and extending within the trochoid cavity, the rotary piston having an internal timing gear, a stationary gear separate from the end housings and in mesh with the internal timing gear, a female member extending integrally from one of the end housings and being disposed adjacent to the trochoid housing, the female member having a registering surface in predetermined fixed relation relative to the end housing, and a male member extending integrally from the stationary gear, the male member being pressed into the female member and held in non-rotatable relation by the registering surface.