Patents by Inventor Jyrki Tammisto

Jyrki Tammisto 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).

  • Apparatus, a control circuit and a method for producing pressure and volume flow
    Patent number: 8635939
    Abstract: An apparatus comprising: a series of units, each being capable of producing a volume flow; a first channel for supplying hydraulic fluid into the apparatus; a second channel for supplying hydraulic fluid from the apparatus; a first series of valves comprising at least one controlled valve for each unit; a third channel for supplying hydraulic fluid from the apparatus; and several controlled auxiliary valves, each being provided for one unit. The control circuit also comprises: at least one actuator for converting hydraulic energy to mechanical energy, wherein said actuator is at least connected to either the second channel or the third channel; and a control device configured to synchronize the operation of the valves of the first series of valves and said auxiliary valves with the operation of said units, and to control the actuator by means of pressure and volume flow.
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: January 28, 2014
    Assignee: Robert Bosch GmbH
    Inventors: Matti Linjama, Jyrki Tammisto, Kalevi Huhtala, Matti Vilenius
  • APPARATUS, A CONTROL CIRCUIT AND A METHOD FOR PRODUCING PRESSURE AND VOLUME FLOW
    Publication number: 20110017308
    Abstract: An apparatus comprising: a series of units, each being capable of producing a volume flow; a first channel for supplying hydraulic fluid into the apparatus; a second channel for supplying hydraulic fluid from the apparatus; a first series of valves comprising at least one controlled valve for each unit; a third channel for supplying hydraulic fluid from the apparatus; and several controlled auxiliary valves, each being provided for one unit. The control circuit also comprises: at least one actuator for converting hydraulic energy to mechanical energy, wherein said actuator is at least connected to either the second channel or the third channel; and a control device configured to synchronize the operation of the valves of the first series of valves and said auxiliary valves with the operation of said units, and to control the actuator by means of pressure and volume flow.
    Type: Application
    Filed: March 24, 2009
    Publication date: January 27, 2011
    Applicant: Tuotekehitys Oy Tamlink
    Inventors: Matti Linjama, Jyrki Tammisto, Kalevi Huhtala, Matti Vilenius