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. 24, 2001
Filed:
Jun. 07, 2000
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Abstract
This compressor,is for compressing an introduced working gas to a predetermined pressure and exhausting by means of the rotation of a crank shaft,which is rotatively supported by a front case,of a housing,A by a main bearing,, and has a partition means,(labyrinth seal for example) which is provided between the main bearing and a shaft seal,which is provided at the outer side of the main bearing along the axial direction, and separating a space in which the shaft seal is provided from a low pressure chamber,of the housing to form a sealing chamber,, and a first lubricating agent supply passage,which is formed in the housing and is opened to the sealing chamber for supplying a lubricating agent to the sealing chamber. A part of the highly compressed lubricating agent which is supplied the sealing chamber can be leaked to the low pressure chamber via the partition means during the operation of said compressor.