Patents by Inventor Hon Chung WOON

Hon Chung WOON 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).

  • Patent number: 10876441
    Abstract: Provided is a tappet capable of supplying lubricating oil to a cam even when provided with a lash adjuster. A tappet (10) includes: a lash adjuster (11) having a plunger (14) and a body (13) in which the plunger (14) is housed so as to be vertically movable, wherein the plunger (14) has a top portion (16) against which a lower end portion of a push rod (88) slidably abuts; and a tappet body (12) which has an assembly hole (45) in which the body (13) is inserted, has a cup-like shape, and has a lower surface portion (27) which slidingly contacts a cam (70). The tappet body (12) has an oil guide passage (30) extending so as to guide lubricating oil from the push rod (88) side to the cam (70).
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: December 29, 2020
    Assignees: OTICS CORPORATION, KUBOTA CORPORATION
    Inventors: Hon Chung Woon, Masayasu Takami
  • Publication number: 20200025045
    Abstract: Provided is a tappet capable of supplying lubricating oil to a cam even when provided with a lash adjuster. A tappet (10) includes: a lash adjuster (11) having a plunger (14) and a body (13) in which the plunger (14) is housed so as to be vertically movable, wherein the plunger (14) has a top portion (16) against which a lower end portion of a push rod (88) slidably abuts; and a tappet body (12) which has an assembly hole (45) in which the body (13) is inserted, has a cup-like shape, and has a lower surface portion (27) which slidingly contacts a cam (70). The tappet body (12) has an oil guide passage (30) extending so as to guide lubricating oil from the push rod (88) side to the cam (70).
    Type: Application
    Filed: January 26, 2018
    Publication date: January 23, 2020
    Applicants: OTICS CORPORATION, KUBOTA CORPORATION
    Inventors: Hon Chung WOON, Masayasu TAKAMI