FUEL PUMP

WIPO Patent Application WO/2014/038280

A1

Provided is a fuel pump disposed on the outside of a fuel tank and configured so that the durability of a bearing is improved. A fuel pump (20) is provided with: a drive shaft (40); a rotating swash plate (50) mounted to the drive shaft (40); a cylinder (241); a piston (25) pressed so that one end thereof is in contact with the rotating swash plate (50), the piston (25) being provided so that the piston (25) can be moved within the cylinder (241) by the rotation of the rotating swash plate (50). The fuel pump is characterized in that the rotating swash plate (50) is provided with: an annular rotating plate (52) in contact with the piston (25); and a bearing (51) having a drive-side first ring (511) which is mounted to the drive shaft (40), a driven-side second ring (512) which is mounted to the annular rotating plate (52), and rolling bodies (513) which are provided between the first ring (511) and the second ring (512), the bearing (51) having a tilted axis (514) tilted relative to the axis (43) of the drive shaft (40), a straight line (515) connecting the contact points (511c, 512a) at which each rolling body (513) and the rings (511, 512) are in contact with each other being not perpendicular to the tilted axis (514).

JP2003139004	INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINE HAVING IMPROVED STARTING CHARACTERISTICS
JP6646423	Fuel tank valve gear

MORI TETSUYA (JP)
OKABE YASUHISA (JP)

PCT/JP2013/068491

March 13, 2014

July 05, 2013

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KAWASAKI HEAVY IND LTD (JP)

F02M37/00; F04B1/16; F02M37/08; F02M37/20; F04B53/00

JPH10318123A	1998-12-02
JPH10266946A	1998-10-06
JP4246231B2	2009-04-02
JP2000130289A	2000-05-09
DE102008028796A1	2009-12-24
JP2008255846A	2008-10-23

See also references of EP 2896831A4

SAMEJIMA, Mutsumi et al. (JP)
Mutsumi Sameshima (JP)

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