Title:
ROTARY PISTON PUMP AND ROTARY PISTON
Document Type and Number:
WIPO Patent Application WO/2012/034985
Kind Code:
A3
Abstract:
The invention relates to a rotary piston pump (10) for conveying fluids, in particular liquids laden with solid matter, having a housing (45) and having at least one pair of intermeshing rotary pistons (1) arranged within the housing (45), wherein a rotary piston (1) has in each case at least one recess (13, 43) formed on the circumferential surface (5) thereof and/or at least one recess (41) formed on an end surface (7, 9). The invention relates in particular to a rotary piston pump in which at least one driver (15, 17, 39, 51) is arranged in the at least one recess (13, 41, 43) and is designed for collecting solid matter. The invention also relates to a rotary piston for a rotary piston pump (10) for conveying fluids, in particular liquids laden with solid matter, having at least one recess (13, 43) formed on the circumferential surface (5) thereof and/or at least one recess (41) formed on an end surface (7, 9).
Inventors:
KRAMPE PAUL (DE)
VOGELSANG HARALD
VOGELSANG HARALD
Application Number:
PCT/EP2011/065798
Publication Date:
April 25, 2013
Filing Date:
September 13, 2011
Export Citation:
Assignee:
HUGO VOGELSANG MASCHB GMBH (DE)
KRAMPE PAUL (DE)
VOGELSANG HARALD
KRAMPE PAUL (DE)
VOGELSANG HARALD
International Classes:
F01C19/00; F04C2/08; F04C2/12; F04C13/00
Domestic Patent References:
| WO2010019337A1 | 2010-02-18 |
Foreign References:
| DE3707722A1 | 1988-09-29 | |||
| US20090311105A1 | 2009-12-17 | |||
| DE1807392A1 | 1970-06-11 | |||
| DE102008045440A1 | 2010-03-04 |
Attorney, Agent or Firm:
EISENFÜHR SPEISER & PARTNER (Hamburg, DE)
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