Viscous material pump, in particular for the conveyance of concr

Pumps – Expansible chamber type – Mechanically actuated distributor

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417519, 417532, 417900, F04B 1502

Patent

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043738753

ABSTRACT:
A viscous material pump, in particular for the conveyance of concrete through a housing (3) of a switch tube (2) has a swivel body (26) fastened on an axially supported pivot shaft (44). The swivel body alternately connects a discharge opening (25) mounted in a housing wall with two inlet openings (6, 7) arranged in another housing wall. The centers of the inlet and outlet openings, respectively, are arranged in radial displacement from the shaft axis (35). The displacement of the inlet openings (6, 7) and the discharge opening (25) from the shaft axis (35) differs and is so selected that the displacement (R.sub.1) of the inlet openings (6, 7) is larger than the displacement (R.sub.2) of the discharge opening (25).

REFERENCES:
patent: 3298322 (1967-01-01), Sherrod
patent: 3963385 (1976-06-01), Caban
patent: 3982857 (1976-09-01), Schlecht
patent: 4178142 (1979-12-01), Schwing
patent: 4191513 (1980-03-01), Schwing

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