Pumps – Expansible chamber type – Oscillating pumping member
Patent
1977-04-13
1978-12-26
Croyle, Carlton R.
Pumps
Expansible chamber type
Oscillating pumping member
417532, 417900, 222362, F04C 2100, F04B 1502
Patent
active
041313941
ABSTRACT:
A method and a device for transport of manure under pressure through a pipe, including a mainly cylindrical housing with a piston member having a circle segment cross-section, said piston member being arranged to perform a rotary reciprocal movement in forward and reverse direction and to move manure from an inlet to an outlet communicating with a transport pipe, both sides of the piston member acting as pressure surfaces and utilized alternately depending on direction of rotation, said pressure surfaces interworking with a disc shaped valve member extending tangentially from the axis of rotation, arranged to perform a pendular movement and alternately take up contact with one of two opposed edge portions in the outlet.
REFERENCES:
patent: 526127 (1894-09-01), Geiger
patent: 3667653 (1972-06-01), Loewenthal
patent: 3807908 (1974-04-01), Rossi
Croyle Carlton R.
Gluck R. E.
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