Title: Pump wheel for a hydrodynamic unit

Abstract: A pump wheel for a hydrodynamic unit, especially for a torque converter or a hydrodynamic coupling of motor vehicles, with a pump wheel outer shell that consists of cold-deformed sheet metal material with a welded-in hub member and which receives the pump wheel blades; the pump wheel blades are thereby cast together with a shell member matched to the inner surface of the pump wheel outer shell, whereby the shell member is so inserted into the pump wheel outer shell that entrainment members cast integral therewith engage in corresponding apertures of the pump wheel outer shell.

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Other info:

Inventors: Helmer, Josef (Aich, DT)

Application Number: 505010
Filing Date: 1974-09-11
Publication_date: 1976-09-21
Assignee: Daimler-Benz Aktiengesellschaft (DT)
Primary Class(es): 416/180 416/197C
Other Classes:
US Patent Ref:

2324011	Jul, 1943	Miller	416/180.
2478306	Aug, 1949	Orr	416/180.
2481541	Sep, 1949	Schneider	416/180.
2503025	Apr, 1950	Bolender	416/180.
2691812	Oct, 1954	Misch	416/180.
2763215	Sep, 1956	Misch	416/180.
2855852	Oct, 1958	Gamble	416/180.

Other Refs:
Primary Examiner: Powell, Jr., Everette A.
Assistant Examiner:
Attorney: Craig & Antonelli