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:
Oct. 06, 2015
Filed:
Jun. 17, 2013
Aerostatic air bearing, assembling method thereof, and aerostatic lead screw actuator using the same
Korea Institute of Machinery & Materials, Daejeon, KR;
Jong-Kweon Park, Daejeon, KR;
Seung Kook Ro, Daejeon, KR;
Gyung Ho Khim, Daejeon, KR;
Shiv G. Kapoor, Champaign, IL (US);
James Zhu, Urbana, IL (US);
KOREA INSTITUTE OF MACHINERY & MATERIALS, Daejeon, KR;
Abstract
Disclosed is an aerostatic air bearing. The disclosed aerostatic air bearing includes: an aerostatic nut, said aerostatic nut including a housing having an air inlet disposed therein, a helical plenum chamber disposed in said housing, said helical plenum chamber being fluidly connected to the air inlet and fluidly interconnecting a plurality of openings, said openings being disposed in a helical pattern, and a plurality of porous media, each of said porous media being disposed in one of the plurality of openings respectively; and a lead screw coupled to said aerostatic nut, said lead screw including a threaded surface separated from each of the plurality of porous media.