F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
123/135
F02M 61/16 (2006.01) F02M 51/00 (2006.01) F02M 69/04 (2006.01) F02M 63/00 (2006.01)
Patent
CA 1065708
ABSTRACT OF THE DISCLOSURE A liquid injection device comprising a housing; a liquid bore in the housing, an orifice in the housing through which the liquid is injected; a liquid chamber arranged upstream of the orifice; a valve which is normally arranged to close the orifice; the valve being adapted to be moved electrically away from the orifice, and the valve being a close fit in the liquid chamber so that substantially no liquid can pass directly from the liquid bore to the orifice by passing between the valve and the walls of the liquid chamber; an annular liquid passage surrounding the liquid chamber; first passage means by which the liquid can pass to the annular liquid passage; and second passage means arranged downstream of the first passage means; the liquid injection device being such that when the valve is moved away from the orifice, the liquid in the annular liquid passage passes through the second passage means fro injection through the orifice and also forces the valve towards the bore whereby the nearer the valve moves towards the bore then the greater is the force of the liquid in the bore tending to return the valve to the orifice.
276456
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