Patents by Inventor Ulf JONASON

Ulf JONASON 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: 9334765
    Abstract: An engine oil system according to the disclosure comprises an oil pump connected to an oil sump, an oil cooler connected to the oil pump and an oil filter. The oil filter is connected to an engine. The engine oil system further comprises a first by-pass conduit connected to the oil pump and which is arranged to be connected to a component of the engine oil system other than the oil cooler. The first by-pass conduit comprises a first by-pass valve, wherein, in a first mode, the first by-pass valve is in an open state allowing oil to by-pass the oil cooler, and wherein, in a second mode, the first by-pass valve is in a closed state directing the oil through the oil cooler. The disclosure also relates to a vehicle comprising an engine oil system.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: May 10, 2016
    Assignee: VOLVO CAR CORPORATION
    Inventors: Roger Boden, Ulf Jonason
  • Publication number: 20150000629
    Abstract: An engine oil system according to the disclosure comprises an oil pump connected to an oil sump, an oil cooler connected to the oil pump and an oil filter. The oil filter is connected to an engine. The engine oil system further comprises a first by-pass conduit connected to the oil pump and which is arranged to be connected to a component of the engine oil system other than the oil cooler. The first by-pass conduit comprises a first by-pass valve, wherein, in a first mode, the first by-pass valve is in an open state allowing oil to by-pass the oil cooler, and wherein, in a second mode, the first by-pass valve is in a closed state directing the oil through the oil cooler. The disclosure also relates to a vehicle comprising an engine oil system.
    Type: Application
    Filed: June 26, 2014
    Publication date: January 1, 2015
    Inventors: Roger BODEN, Ulf JONASON