Cummins Inc.

Other

Thomas M Yeager

Roberto M Munoz

Amanda Baker

Yip Kwok

Charles L Casagrande

Matthew B State

Samuel David Griffith Magnuson

Disclosed herein are devices, systems, and methods relating to high-pressure fuel pump designs and features. A high-pressure fuel pump assembly includes a body, a camshaft, and an embossment. The body has a forward end and a rearward end opposite thereof and configured to couple to a low-pressure fuel pump. The camshaft is received and secured within a central bore of the body so as to be rotationally movable within the central bore. A coupler end of the camshaft is configured to couple to a drive shaft of the low-pressure fuel pump. The embossment includes at least one fastener boss configured to receive a fastener to couple the low-pressure fuel pump to the high-pressure fuel pump assembly. The embossment is formed at the rearward end of the body such that thermal stresses that cause geometrical deformations at the embossment are reduced through a range of engine temperature operating conditions.

Fuel pump devices, systems, and methods

The disclosure relates to fuel pump housings and fuel pump systems incorporating the same. The fuel pump housing includes at least one tappet housing portion configured to receive at least one tappet assembly and a main bore portion fluidly coupled with the at least one tappet housing portion such that the main bore receives a camshaft. The main bore includes an uncut portion and at least one relief cut portion proximal to the at least one tappet housing portion. The uncut portion defines a first centerline, and the relief cut portion defines a second centerline offset from the first centerline.

Pump housing with relief cut for lobe clearance

A fuel pump for an internal combustion engine comprising a barrel having a longitudinal axis that spans between a proximal end and a distal end and a central bore therein. A plunger is disposed at least partially in the central bore and is configured to move along the longitudinal axis. An annular seal assembly is arranged around the circumference of the plunger wherein the annular seal assembly includes a seal retainer housing and a first seal and the seal retainer housing also retains the proximal end of the barrel thereon to form a second seal wherein the first and the second seals reduce the fuel to oil transfer rate and the oil to fuel transfer rate. The plunger and barrel are configured to be removed from and re-assembled with the annular seal assembly to enable service of these parts and the fuel pump.

Fuel pump with independent plunger cover and seal

A business form with label areas removable therefrom and an improved process for producing a label. The process includes feeding a sheet of paper into a paper processing apparatus, having a roll of transfer adhesive stock with a first and second liner with adhesive therebetween, means for separating the second liner from the transfer adhesive stock, cutting a strip of transfer adhesive stock from the roll of transfer adhesive stock and adhering the transfer adhesive stock to the sheet of paper whereby it can be cut to form a label peelable from the transfer adhesive stock. In addition, a transfer adhesive stock comprising a first and second liner with a layer of pressure sensitive adhesive between one side of the first liner and one side of the second liner, each liner having a different adhesive affinity whereby one liner may be removed from the other liner and adhesive.

Growing community of inventors

Columbus, IN, United States of America

Thomas M Yeager