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:
Jun. 07, 1988
Filed:
Oct. 16, 1987
Applicant:
Inventors:
Bengt A Brandt, Sundbyberg, SE;
Bertil Englesson, Bromma, SE;
Assignee:
Flygt AB, Solna, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63H / ; F01D / ;
U.S. Cl.
CPC ...
4161 / ; 416167 ; 416156 ; 137580 ;
Abstract
A rotary joint having a non rotary housing surrounding a rotating shaft and being sealed by a mechanical seal. Monitoring impulses are transmitted by hydraulic fluid which is transported between the housing and the shaft by means of a distribution socket. The socket is arranged so that a number of column seals are formed between the shaft and the socket. The apparatus is supported by two prestressed, reversed roller bearings.