Liquid ring pump

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Description

FIG. 1 is a top plan view of a liquid ring pump showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof, and

FIG. 5 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
1847586 March 1932 Adams
2416538 February 1947 Nelson
3209987 October 1965 Jennings
3846046 November 1974 Roe et al.
D140523 March 1945 Sevenson et al.
D195154 April 1963 Hamilton et al.
D197999 April 1964 Cordis
D202145 August 1965 Schroeder et al.
Foreign Patent Documents
1,116,339 November 1961 DT
Patent History
Patent number: D245501
Type: Grant
Filed: Apr 7, 1976
Date of Patent: Aug 23, 1977
Assignee: General Signal Corporation (Rochester, NY)
Inventor: James B. Fitch (Marshfield, MA)
Primary Examiner: James R. Largen
Attorney: Jeffrey S. Mednick
Application Number: 5/674,532
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)
International Classification: D1502;