Peristaltic metering pump

Details Peristaltic metering pump Peristaltic metering pump

1996-11-08

1998-12-08

Freay, Charles G.

Pumps

Expansible chamber type

Elongated flexible chamber wall progressively deformed

417475, 4174771, 4174773, 384473, F04B 4308

Patent

active

058460616

ABSTRACT:
A multiple channel peristaltic metering pump includes a base having a pair of spaced apart bearings, a rotor supported on the base and an occlusion member. The rotor includes a rotation shaft in the bearings and a plurality of rollers mounted thereon. A pair of occlusion rings, which are located concentrically with the rotation shaft by the bearings, position the occlusion member with respect to the rollers. Each of the rollers is rotated about a bearing which is located in an opening having sufficient size to allow expansion of lubricant under high operating temperatures. A hose expansion space adjacent the rotor takes up any elongation of the hoses in order to avoid crimping. Hose spacers in the expansion space prevent hose creep along the rotor.

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