Pumps – Expansible chamber type – Mechanically actuated distributor
Patent
1992-11-02
1994-07-19
Vrablik, John J.
Pumps
Expansible chamber type
Mechanically actuated distributor
417900, F04B 700
Patent
active
053303318
ABSTRACT:
A metering pump for highly viscous fillings has a crankshaft-type drive for a back-and-forth movement of a piston (1) in a cylinder (2) and a drive for a forward-and-backward rotational movement of a rotary slide valve (4) derived from this. The rotary slide valve (4) has openings and the housing of said rotary slide valve has connections for a suction line (7) and a discharge line (8) for the piston/cylinder unit (1, 2). A plate cam, coupling assembly (14) and clamping lever (25) engaging with the turntable (4) are provided for the rotational movement of the rotary slide valve (4). The coupling assembly (14) has a pivoted lever (20) having an articulated joint (21) formed on one end which in turn is formed on a bearing block (19), arranged locally fixed and slideable. An adjusting drive (30) for altering the position of the bearing block (19) is provided independent from the crankshaft-type drive.
REFERENCES:
patent: 1066660 (1913-07-01), Ross
patent: 2017975 (1935-10-01), Kooyman
patent: 2032163 (1936-02-01), Bagby
patent: 2125283 (1938-08-01), Campbell
patent: 2384783 (1945-09-01), Longenecker
patent: 2448104 (1948-08-01), Longenecker
patent: 3506382 (1970-04-01), Zurich
patent: 3552440 (1971-01-01), Smith
Klockner Hansel GmbH
Korytnyk Peter
Vrablik John J.
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