Vacuum generating device

Pumps – One fluid pumped by contact or entrainment with another – Jet pump with motive fluid generating pump

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Details

417176, 137884, 2482059, F04F 544

Patent

active

048612324

ABSTRACT:
A vacuum generating device for an ejector pump is provided. The vacuum generating device according to the present invention comprises an ejector pump mechanism having on one of the side surfaces thereof with an air intake port, air inlet port and exhaust port and attached with a fitting base including an air intake pipe, inlet pipe and exhaust pipe capable of connecting to the ports of the ejector pump mechanism, respectively. The device according to the present invention can be effectively used as one of the units of a vacuum generator assembly in a compact form in which the fitting bases of the units are arranged adjacent to one another with the inlet and exhaust pipes thereof held communicating with each other, respectively, whereby the number of pipes is minimized and the noise level from the assembly is reduced. The device or the assembly is applicable to a sucking device for attracting and sucking an article so as to transfer it to a required place.

REFERENCES:
patent: D295180 (1988-04-01), Kanno
patent: 2343269 (1944-03-01), Aaron
patent: 3061179 (1962-10-01), Pendelton
patent: 3174136 (1965-03-01), Wanner
patent: 3369735 (1968-02-01), Hoffmeister
patent: 3481431 (1969-12-01), Dorsey
patent: 4380418 (1983-04-01), Crawford et al.
patent: 4549854 (1985-10-01), Yamamoto

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