Metering pump

Details Metering pump Metering pump

B - Operations, Transporting

67

D

222/63.1

B67D 7/18 (2010.01) B65B 59/04 (2006.01) F04B 53/14 (2006.01)

Patent

CA 1189035

Title: METERING PUMP Inventor: HEINZ BARALL ABSTRACT OF THE DISCLOSURE A metering pump is disclosed and includes a unitary pumping assembly secured to a base so as to be removable from the base as a unit e.g. for cleaning. The pump is of the plunger type and includes at least one plunger mounted to reciprocate in a pump cylinder, and a rotary valve for controlling flow of liquid into and out of the cylinder under the effect of reciprocation of the plunger. A linear actuator and a rotary actuator are each permanently mounted on the base for actuating re- spectively the plunger and the rotary valve. The linear actuator can be coupled to the plunger by disengageable coupling means including interfitting but physcially unconnected male and female formations. The rotary actuator is similarly disengeably coupled to the valve member by a key and slot coupling. The disengageable coupling means allow the pumping assembly to be removed as a unit from the base by simply releasing a securing screw or the like.

404504

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