Pumps – One fluid pumped by contact or entrainment with another – Jet
Patent
1988-06-29
1990-07-03
Smith, Leonard E.
Pumps
One fluid pumped by contact or entrainment with another
Jet
417182, 417186, F04F 300, B65G 5324
Patent
active
049386654
ABSTRACT:
A jet pump for the suction and/or conveyance of flowable materials or mixtures of materials by means of a liquid or gaseous propellant medium consists of a housing with inlets (28, 64) as well as a common outlet or discharge (30). A flow passage (44) in the housing forms at least one propellant nozzle and at least one diffuser, to which is attached at least one suction chamber (50-56) behind the propellant nozzle (34) for the material to be conveyed. The flow passage (44) has rectangular cross section and is limited by symmetrical side limiting surfaces on separate housing walls (10, 12), between which wall elements (18, 20, 22), consisting of profile members, determine the sectional contours and dimensions for all of the lengthwise segments through the inside of the housing parallel to the plane of symmetry. A simple manufacture with use of a small number of basic parts is thus obtained, which provides for an adaptation to different capacities as well as different propellant mediums and conveyed materials.
REFERENCES:
patent: 714217 (1902-11-01), Metcalfe
patent: 3109581 (1963-11-01), Wilkstrom
patent: 3369735 (1968-02-01), Hoffmeister
patent: 3959864 (1976-06-01), Tell
patent: 4002110 (1977-01-01), Teodorescu et al.
patent: 4379679 (1983-04-01), Guile
patent: 4466778 (1984-08-01), Volkmann
patent: 4696625 (1987-09-01), Greenburg
Blackmon Robert N.
Smith Leonard E.
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