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:
Aug. 13, 1991
Filed:
Jul. 20, 1989
Applicant:
Inventors:
Johan F Dijksman, Eindhoven, NL;
Ronald Den Heyer, Eindhoven, NL;
Adrianus H Meesterburrie, Helmond, NL;
Theodorus F Overes, Eindhoven, NL;
Peter G Simons, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02G / ; F25B / ;
U.S. Cl.
CPC ...
62-6 ; 60520 ; 92173 ;
Abstract
A piston engine having a piston (13) journalled in radial direction with respect to the direction of movement. The rotation-free piston (13) is centered by means of two pairs of dynamic groove bearings (41,43), (47,49) with respect to a cylinder axis (39). The piston engine is particularly suitable for use in cryo-coolers.
Dijksman, Johan. (1991). Piston engine and cryo-cooler provided with such a piston engine (U.S. Patent No. 5038570). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5038570
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile