Patents by Inventor Justin Gregory Wenger

Justin Gregory Wenger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Camshaft thrust control secured by drive gear
    Patent number: 10487810
    Abstract: An apparatus and method of producing a pump including a housing and a cam received within the housing that is rotatable relative to the housing. The cam includes an axis of rotation. The pump further includes a retainer plate operable to abut the cam to restrict movement of the cam in a first direction along the axis of rotation. The pump further includes a biaser, such as a spring, operable to place a first constant force in the first direction on the retainer plate.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: November 26, 2019
    Assignee: Cummins Inc.
    Inventors: Justin Gregory Wenger, James Gregory Steinrock, Richard Duncan, Aleksandr E. Lesin, Chin-Pei Wang
  • Tappet roller retaining approach
    Patent number: 10436164
    Abstract: A roller assembly, comprising a roller shoe having a bottom surface, and a groove at the bottom surface, the groove having a semicircular portion and a straight portion extending from the semicircular portion, the semicircular portion having a first diameter and the straight portion having a first width, and a cylindrical roller positioned in the roller shoe groove, the cylindrical roller having a second diameter, wherein the first width is greater than or equal to the first diameter and the second diameter is less than the first width.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: October 8, 2019
    Assignee: Cummins, Inc.
    Inventors: Chin-pei Wang, Matthew B. State, Eric A. Benham, Justin Gregory Wenger, Alexander E. Lesin, Kyle J. Brewer
  • TAPPET ROLLER RETAINING APPROACH
    Publication number: 20180266374
    Abstract: A roller assembly, comprising a roller shoe having a bottom surface, and a groove at the bottom surface, the groove having a semicircular portion and a straight portion extending from the semicircular portion, the semicircular portion having a first diameter and the straight portion having a first width, and a cylindrical roller positioned in the roller shoe groove, the cylindrical roller having a second diameter, wherein the first width is greater than or equal to the first diameter and the second diameter is less than the first width.
    Type: Application
    Filed: December 23, 2014
    Publication date: September 20, 2018
    Applicant: CUMMINS INC.
    Inventors: Chin-pei WANG, Matthew B. State, Eric A. Benham, Justin Gregory Wenger, Alexander E. Lesin, Kyle J. Brewer
  • CAMSHAFT THRUST CONTROL SECURED BY DRIVE GEAR
    Publication number: 20170167473
    Abstract: An apparatus and method of producing a pump including a housing and a cam received within the housing that is rotatable relative to the housing. The cam includes an axis of rotation. The pump further includes a retainer plate operable to abut the cam to restrict movement of the cam in a first direction along the axis of rotation. The pump further includes a biaser, such as a spring, operable to place a first constant force in the first direction on the retainer plate.
    Type: Application
    Filed: February 3, 2014
    Publication date: June 15, 2017
    Inventors: Justin Gregory WENGER, James Gregory STEINROCK, Richard DUNCAN, Aleksandr E. LESIN, Chin-Pei WANG
  • Fuel pump tappet assembly
    Patent number: 9567960
    Abstract: A fuel pump assembly for an internal combustion engine includes a fuel pump housing, a cylindrical bore defined in the fuel pump housing, and a tappet assembly received in the cylindrical bore. The tappet assembly includes a one-piece shoe having a recess disposed in a bottom portion thereof, and a roller that is partially received within the recess and configured to rotate about a roller axis.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: February 14, 2017
    Assignee: Cummins Inc.
    Inventors: John D. Crofts, Justin Gregory Wenger
  • FUEL PUMP TAPPET ASSEMBLY
    Publication number: 20150275834
    Abstract: A fuel pump assembly for an internal combustion engine includes a fuel pump housing, a cylindrical bore defined in the fuel pump housing, and a tappet assembly received in the cylindrical bore. The tappet assembly includes a one-piece shoe having a recess disposed in a bottom portion thereof, and a roller that is partially received within the recess and configured to rotate about a roller axis.
    Type: Application
    Filed: March 25, 2014
    Publication date: October 1, 2015
    Inventors: John D. Crofts, Justin Gregory Wenger