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:
Jul. 13, 1999
Filed:
Jun. 21, 1996
Yu-Choung Chang, Hsinchu, TW;
Chih-Cheng Yang, Hsinchu, TW;
Tse-Liang Hsiao, Hsinchu, TW;
Ching-Feng Lai, Hsinchu, TW;
Kun-I Liang, Hsinchu, TW;
Su Tao, Hsinchu, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
An Oldham ring system for a rotary fluid compressor, comprising: a motor shaft; an eccentric shaft; a revolving part with two first gliding elements on its lower side; a stator; an Oldham ring, its upper side being provided with two second gliding elements fitting the two first gliding elements, and its lower side being provided with two third gliding elements for a perpendicular gliding movement; and a frame, on its perimeter being provided with two holders and with two fourth gliding elements in between that glide against said third gliding elements; wherein the characteristic is that the Oldham ring is, on the two opposite sides located next to the holders of the frame, provided with two straight shortcuts to reduce the width of the Oldham ring next to the holders; and wherein the first and second gliding elements as well as the third and fourth gliding elements each are provided with a groove in the gliding direction to provide for a flow path for lubricating oil.