B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
123/135
B05B 7/12 (2006.01) B05B 7/04 (2006.01) B05B 7/08 (2006.01) F02M 51/00 (2006.01) F02M 51/06 (2006.01) F02M 61/08 (2006.01) F02M 67/12 (2006.01) F02M 69/08 (2006.01) F02M 69/10 (2006.01) F02B 75/02 (2006.01) F02M 51/08 (2006.01)
Patent
CA 1321935
ABSTRACT OF THE DISCLOSURE Disclosed herein is a fuel injector nozzle comprising an inner member including an axially extending fuel passage adapted to communicate with a source of fuel under pressure and having an outlet end with an axially outwardly diverging frustro-conical inner surface defining a valve seat, which inner member also includes a cylindrical outer surface and a frustro-conical outer surface converging from the cylindrical outer surface to the diverging frustro-conical inner surface, an outer member surrounding the cylindrical outer surface of the inner member in spaced relation thereto and defining therebetween an air flow passage adapted to communicate with a source of air under pressure, which outer member includes an axially outwardly extending and converging frustro-conical surface located in spaced relation to the frustro-conical outer surface of the inner member and forming, with the frustro-conical outer surface of the inner member, a diverging portion of the air flow passage, which divergent air flow passage portion includes an entry end constituting a restriction to air flow and an outlet end, and which outer member also includes an air flow duct forming a part of the air flow passage and communicating with the divergent air flow passage and with the environment exterior to the outer member, and a valve member located in the fuel passage and movable axially thereof relative to the valve seat, which valve member comprises a valve head including an axially outwardly diverging frustro-conical surface engagable with the valve seat when the valve member is in a closed position and spaced from the valve seat when the valve member is in an open position, which valve head also includes an axially outwardly extending converging conical surface in spaced relation to the frustro-conical surface of the outer member and forming, with the frustro-conical surface of the outer member, another diverging air flow passage portion communicating between with the outlet end of the first mentioned diverging air flow passage portion and the air flow duct.
588981
Outboard Marine Corporation
Smart & Biggar
LandOfFree
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