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:
May. 18, 1982
Filed:
Nov. 19, 1979
Kenzo Akiyama, Tokyo, JP;
Ryoji Tomiyama, Tokyo, JP;
Tomy Kogyo Co., Inc., Tokyo, JP;
Abstract
A fluid engine for use in pneumatically operated toys such as wheeled vehicles or airplanes. The engine housing has a fluid input cavity which is in continuous fluid communication with a source of compressed air, a fluid delivery cavity which is in continuous communication with a piston cavity bounded by a movable piston mounted in a cylinder member and which is separated from the fluid input cavity by a wall having a valve opening therein, and an open-ended exhaust cavity which is separated from the fluid delivery cavity by a wall having an exhaust opening therein. A valve rod with a tapered end is movably housed in the exhaust cavity to open the valve opening and close the exhaust opening during the piston's power stroke, and to close the valve opening and open the exhaust opening during the piston's exhaust stroke. The valve rod can be operatively connected to the piston to act in synchronism with it either by use of a cam or by use of a network of connecting links.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile