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:
Aug. 15, 2000
Filed:
Mar. 03, 1999
George Albert Parrott, Barnsley, GB;
Minnovation Limited, , GB;
Kennametal, Inc., Latrobe, PA (US);
Abstract
A water seal arrangement for use at a water transfer zone between a static member (2) and an associated rotary member (16) comprises a water delivery network (13) in the static member (2) including a water delivery port in fluid flow communication with a water receiving port of a water distribution network (12) in the rotary member (16), pairs of spaced-apart, circumferential seals (20) carried by the static or the rotary member (2 or 16), with each pair located to opposite sides of the ports (14), and in sealing engagement with a peripheral portion (22) of the rotary or static member (16 or 2); an oil supply network (27) to a zone (25) between each pair of seals (20), and an intensifier (30) to pressurize the oil of the oil supply network (27) to a higher pressure than the water pressure. Also, the water seal arrangement above includes a machine.