Pumps – Expansible chamber type – Elongated flexible chamber wall progressively deformed
Patent
1998-05-19
2000-09-19
Freay, Charles G.
Pumps
Expansible chamber type
Elongated flexible chamber wall progressively deformed
F04B 4308
Patent
active
061202630
ABSTRACT:
A peristaltic pumphead (31) comprises a pumphead body (311), a flexible tube which extends through the body, a rotor (314) which engages with the tube, and a hub (318) which supports the rotor (314) for rotation within the pumphead body. The hub (318) is directly connected to or is integrally formed with the pumphead body. The pumphead body or the hub is adapted to support directly a drive assembly (33, 35).
REFERENCES:
patent: 3402673 (1968-09-01), Ballentine et al.
patent: 3781142 (1973-12-01), Zweig
patent: 4230438 (1980-10-01), Lehmann et al.
patent: 4832585 (1989-05-01), Horiuchi et al.
patent: 5356267 (1994-10-01), Fulmer
patent: 5375984 (1994-12-01), Wehling
Bredel Hose Pumps B.V.
Freay Charles G.
Jenkins David C.
Silverman Arnold B.
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