Liquid ring pump

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Description

FIG. 1 is a perspective view of a liquid ring pump showing our new design;

FIG. 2 is a left end elevational view thereof;

FIG. 3 is a right end elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D245501 August 23, 1977 Fitch
D283224 April 1, 1986 Lametto et al.
D285447 September 2, 1986 Dudeck et al.
4747752 May 31, 1988 Somarakis
4755107 July 5, 1988 Trimborn
Patent History
Patent number: D327272
Type: Grant
Filed: Mar 12, 1990
Date of Patent: Jun 23, 1992
Assignee: The Nash Engineering Company (Norwalk, CT)
Inventors: Richard G. Cadotte (Norwalk, CT), Carl G. Dudeck (Newtown, CT)
Primary Examiner: A. Hugo Word
Assistant Examiner: R. Seifert
Attorney: Robert R. Jackson
Application Number: 7/491,650
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)