Double-jet-pump structure and jet head
A jet pump and jet head technology, applied to engine components, liquid fuel feeders, machines/engines, etc., can solve the problems of increased parts cost, complex structure, filter area limitation, etc., and achieve compact structure and reduced lateral size Effect
Active Publication Date: 2017-02-15
UNITED AUTOMOTIVE ELECTRONICS SYST
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Abstract
The invention discloses a double-jet-pump structure. The double-jet-pump structure comprises a fluid pipe assembly, a first jet pump and a second jet pump, wherein the fluid pipe assembly comprises a first pipeline, a second pipeline and an oil sucking pipe; the first pipeline is connected to the first jet pump; the second pipeline is connected to the second jet pump; the second jet pump comprises a jet head, and the jet head is sequentially provided with a head part, a main body and a tail part in the axial direction; inner cavities of the head part and the main body are both tubular and communicate with each other; a jet hole communicating with the inner cavity of the main body is formed in the outer wall of the main body in a radial direction; and the head of the jet head is embedded in the second pipeline, the outer wall of the head is hermetically connected with the second pipeline, fuel oil is fed from the head and sprayed out from the jet hole in the main body, the oil inlet direction is perpendicular with the oil outlet direction, and a negative pressure zone formed by the fuel oil sprayed by the jet hole is located in the oil sucking pipe. The invention further discloses a jet head. The structure of the double-jet-pump structure is compact, and the double-jet-pump structure can be arranged in a limited oil storing barrel space.
Application Domain
Machines/enginesLiquid fuel feeders
Technology Topic
Aerospace engineeringFluid pipe
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