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:
Dec. 06, 1994
Filed:
Jun. 08, 1993
Applicant:
Inventors:
Kenji Takenaka, Kariya, JP;
Toru Takeichi, Kariya, JP;
Hiroaki Kayukawa, Kariya, JP;
Shigeyuki Hidaka, Kariya, JP;
Assignee:
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Aichi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417269 ; 92153 ; 184-617 ;
Abstract
An axial multi-piston compressor having a drive shaft which rotates and a cylinder block having a multiplicity of cylinder bores and pistons within the cylinder bores. The cylinder block is associated with a crank chamber containing the fluid to be compressed and a lubricating oil mist. The peripheral wall of the crank chamber having a groove on the peripheral surface which groove collects oil and directs the oil to the shaft seal. The groove is partially curved in a direction counter to the direction of rotation of the shaft.