Patents by Inventor Ralf Kochhan

Ralf Kochhan 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 hybrid
    Patent number: 10040343
    Abstract: A hybrid system, consisting of an internal combustion engine (1) with added-on and/or integrated hydraulic pumps (2) to supply consumers (5) and/or the drive unit (12), at least one engine control unit (3) for electronic engine regulation and/or fuel-injection regulation, at least one hydraulic control unit (4) to control at least one hydraulic consumer (5), at least one pressure sustaining valve (6), at least one reversing valve (7) and at least one hydraulic pressure accumulator (8).
    Type: Grant
    Filed: March 2, 2013
    Date of Patent: August 7, 2018
    Assignee: DEUTZ AKTIENGESELLSCHAFT
    Inventors: Ralf Kochhan, Taghi Akbarian
  • HYDRAULIC HYBRID
    Publication number: 20150113969
    Abstract: A hybrid system, consisting of an internal combustion engine (1) with added-on and/or integrated hydraulic pumps (2) to supply consumers (5) and/or the drive unit (12), at least one engine control unit (3) for electronic engine regulation and/or fuel-injection regulation, at least one hydraulic control unit (4) to control at least one hydraulic consumer (5), at least one pressure sustaining valve (6), at least one reversing valve (7) and at least one hydraulic pressure accumulator (8).
    Type: Application
    Filed: March 2, 2013
    Publication date: April 30, 2015
    Inventors: Ralf Kochhan, Taghi Akbarian