Pump chambers minimizing formation of deposits

Details Pump chambers minimizing formation of deposits Pump chambers minimizing formation of deposits

1979-04-12

1981-11-17

Freeh, William L.

Pumps

Processes

99306, 99307, 417207, F04B 1924

Patent

active

043008704

ABSTRACT:
Pump chambers usable in beverage makers, for example, have a liquid-contacting heated surface provided with abrupt discontinuities--e.g. sharp edges or corners--to promote flaking-off of mineral deposits. These edges may be fins of rectangular or triangular cross-section.

REFERENCES:
patent: 590626 (1897-09-01), Pardo
patent: 1840834 (1932-01-01), Davis
patent: 2856842 (1958-10-01), Schwaneke et al.
patent: 4142840 (1979-03-01), Kemp

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