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.

Date of Patent:
Nov. 08, 1994

Filed:

Dec. 21, 1992
Applicant:
Inventor:

William S Dalton, Chesterfield, MA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277 53 ; 277 54 ; 4151732 ; 4151735 ; 4151741 ; 4151745 ;
Abstract

In an elastic fluid turbine employing packing rings and spill strips or tip seals to minimize leakage between rotating and stationary components, an improvement in the packing rings and spill strips utilizing the combination of: interconnected first and second half parts, the first half part being disposed in an annular groove formed in a stationary component of the turbine, the second half part being partially disposed in a clearance area between the stationary and rotating components, the second half part having at least one seal tooth extending therefrom and contacting the rotating component, shims for selectively varying the spacing between the half parts for adjusting the sealing dimensions of the packing ring and seal strip, and bolts for interconnecting the half parts to form an integral, inseparable unit.


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