Patents by Inventor Vesa Ahola

Vesa Ahola 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).

  • Hydraulic master cylinder with back-up ring
    Patent number: 9731691
    Abstract: Disclosed herein is a hydraulic master cylinder body having a bore defined at least in part by a bore wall, wherein the bore wall includes an opening for hydraulic fluid to be passed into the bore, and a piston assembly situated at least substantially in the bore, the assembly having a piston with a piston body and at least one cup seal situated substantially around the piston body, the cup seal situated adjacent to the bore wall so as to be in sealing engagement therewith, and a back-up ring that is situated about the piston body, wherein the back-up ring is positioned to at least partially cover a portion of the cup seal that is adjacent to the bore wall and to prevent at least a portion of the cup seal from contacting the bore wall and the opening for hydraulic fluid during piston actuation.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: August 15, 2017
    Assignee: HB Performance Systems, Inc.
    Inventors: Jeffrey S. Gohr, Vesa Ahola, James Dimsey
  • HYDRAULIC MASTER CYLINDER WITH BACK-UP RING
    Publication number: 20150000265
    Abstract: Disclosed herein is a hydraulic master cylinder body having a bore defined at least in part by a bore wall, wherein the bore wall includes an opening for hydraulic fluid to be passed into the bore, and a piston assembly situated at least substantially in the bore, the assembly having a piston with a piston body and at least one cup seal situated substantially around the piston body, the cup seal situated adjacent to the bore wall so as to be in sealing engagement therewith, and a back-up ring that is situated about the piston body, wherein the back-up ring is positioned to at least partially cover a portion of the cup seal that is adjacent to the bore wall and to prevent at least a portion of the cup seal from contacting the bore wall and the opening for hydraulic fluid during piston actuation.
    Type: Application
    Filed: September 9, 2014
    Publication date: January 1, 2015
    Inventors: Jeffrey S. Gohr, Vesa Ahola, James Dimsey
  • Hydraulic brake master cylinder with back-up ring
    Patent number: 8904782
    Abstract: Disclosed herein is a hydraulic master cylinder body having a bore defined at least in part by a bore wall, wherein the bore wall includes an opening for hydraulic fluid to be passed into the bore, and a piston assembly situated at least substantially in the bore, the assembly having a piston with a piston body and at least one cup seal situated substantially around the piston body, the cup seal situated adjacent to the bore wall so as to be in sealing engagement therewith, and a back-up ring that is situated about the piston body, wherein the back-up ring is positioned to at least partially cover a portion of the cup seal that is adjacent to the bore wall and to prevent at least a portion of the cup seal from contacting the bore wall and the opening for hydraulic fluid during piston actuation.
    Type: Grant
    Filed: October 7, 2011
    Date of Patent: December 9, 2014
    Assignee: HB Performance Systems, Inc.
    Inventors: Jeffrey S. Gohr, Vesa Ahola, James Dimsey
  • Hydraulic Brake Master Cylinder with Back-up Ring
    Publication number: 20120085090
    Abstract: Disclosed herein is a hydraulic master cylinder body having a bore defined at least in part by a bore wall, wherein the bore wall includes an opening for hydraulic fluid to be passed into the bore, and a piston assembly situated at least substantially in the bore, the assembly having a piston with a piston body and at least one cup seal situated substantially around the piston body, the cup seal situated adjacent to the bore wall so as to be in sealing engagement therewith, and a back-up ring that is situated about the piston body, wherein the back-up ring is positioned to at least partially cover a portion of the cup seal that is adjacent to the bore wall and to prevent at least a portion of the cup seal from contacting the bore wall and the opening for hydraulic fluid during piston actuation.
    Type: Application
    Filed: October 7, 2011
    Publication date: April 12, 2012
    Inventors: Jeffrey S. Gohr, Vesa Ahola, James Dimsey