Patents by Inventor Mojtaba ESHRAGHI

Mojtaba ESHRAGHI 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).

  • Individual piston squirter switching with crankangle resolved control
    Patent number: 9556764
    Abstract: One variation may include a product comprising a piston oil squirting system comprising at least one piston oil squirter operatively communicating with at least one engine oil channel and which is constructed and arranged to squirt oil at at least one piston; and at least one mechanism which is constructed and arranged to control a flow rate and a timing of at least one oil jet stream from the at least one piston oil squirter so that the oil jet stream flows at single or multiple intervals from a zero to a maximum flow rate within an engine cycle or a crankshaft revolution.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: January 31, 2017
    Assignee: GM Global Technology Operations LLC
    Inventors: Mark R. Claywell, Bryan K. Pryor, Mojtaba Eshraghi
  • INDIVIDUAL PISTON SQUIRTER SWITCHING WITH CRANKANGLE RESOLVED CONTROL
    Publication number: 20150330286
    Abstract: One variation may include a product comprising a piston oil squirting system comprising at least one piston oil squirter operatively communicating with at least one engine oil channel and which is constructed and arranged to squirt oil at at least one piston; and at least one mechanism which is constructed and arranged to control a flow rate and a timing of at least one oil jet stream from the at least one piston oil squirter so that the oil jet stream flows at single or multiple intervals from a zero to a maximum flow rate within an engine cycle or a crankshaft revolution.
    Type: Application
    Filed: May 13, 2014
    Publication date: November 19, 2015
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Mark R. CLAYWELL, Bryan K. PRYOR, Mojtaba ESHRAGHI