Title: Pump for abrasive slurries and the like

Abstract: A hermetically sealed pump for abrasive slurries in which a auxilliary control takes over whenever the pump is unable to complete its stroke and causes rapid jogging reciprocation to dislodge solids which may have settled out and blocked the completion of the stroke.

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Inventors: Mountain, Donald C. (N. Kingsville, OH, US)

Application Number: 538026
Filing Date: 1975-01-02
Publication_date: 1976-08-24
Assignee:
Primary Class(es): 417/393 91/275, 417/505, 417/900
Other Classes:
US Patent Ref:

2336446	Dec, 1943	Tucker et al.	417/46.
3128711	Apr, 1964	Voigt et al.	417/900.
3279383	Oct, 1966	Smith	417/900.
3319530	May, 1967	Sjoberg	91/275.
3477380	Nov, 1969	Johanson et al.	417/900.
3489063	Jan, 1970	Piret	91/275.
3494290	Feb, 1970	Schaible	417/505.

Other Refs: 615,571

Feb, 1961	CA

Primary Examiner: Husar, C. J.
Assistant Examiner: Smith, Leonard
Attorney: