Air activated vacuum pump

Details Air activated vacuum pump Air activated vacuum pump

1984-06-22

1986-07-01

Look, Edward K.

Pumps

One fluid pumped by contact or entrainment with another

Jet

417 63, 417185, 417198, F04F 544

Patent

active

045977160

ABSTRACT:
A hand held and controlled air activated vacuum pump for testing vacuum systems and controls against atmospheric exudations that adversely affect their performance.

REFERENCES:
patent: 1498663 (1924-06-01), Losel
patent: 1868758 (1932-07-01), Nelson
patent: 2458508 (1949-01-01), Goetz
patent: 2690717 (1954-10-01), Goodrie
patent: 2910009 (1959-10-01), Fraser et al.
patent: 4290446 (1981-09-01), Seiler

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