Rotary fluid flow machine

Description

FIG. 1 is a front perspective view of a rotary fluid flow machine showing our new design;

FIG. 2 is a side perspective view;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a left side elevational view;

FIG. 6 is a right side elevational view;

FIG. 7 is a top plan view; and,

FIG. 8 is a bottom plan view.

Referenced Cited
U.S. Patent Documents
D116252 August 1939 Van Doren et al.
D210706 April 1968 Zalis
D215885 November 1969 Svenson
D263302 March 9, 1982 Terajima et al.
D274433 June 26, 1984 Boller
D275198 August 21, 1984 Yokota et al.
D293114 December 8, 1987 Brogdon
1082183 December 1913 Vernon
4190402 February 26, 1980 Meece et al.
Patent History
Patent number: D328304
Type: Grant
Filed: Nov 8, 1990
Date of Patent: Jul 28, 1992
Assignee: Gerb. Becker GmbH & Co. (Wuppertal)
Inventors: Dieter Frohn (Wuppertal), Bernhard Hanitsch (Solingen), Hans-Heinrich Henning (Ennepetal), Michael Osenberg (Wuppertal), Detlef Radtke (Wuppertal)
Primary Examiner: A. Hugo Word
Assistant Examiner: R. Seifert
Attorney: Peter K. Kontler
Application Number: 7/613,221
Classifications