Patents by Inventor Peter Schmal

Peter Schmal 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).

  • Device for injecting a gaseous fuel into an internal combustion engine, and also metering device and pressure regulating valve
    Patent number: 5435288
    Abstract: Device for injecting a gaseous fuel into an internal combustion engine with several cylinders is provided with a vaporizer pressure regulator and metering elements for supplying the fuel from the vaporizer/pressure regulator to the inlet of the cylinders. In order to ensure a uniform supply to each cylinder, the metering elements have separate metering apertures, each of which belongs to its own cylinder, and which are connected by separate respective pipes to the cylinder. A pressure regulating valve is also provided in each pipe near the inlet of the cylinder, for the purpose of maintaining a constant pressure between the metering elements and the inlet.
    Type: Grant
    Filed: August 12, 1993
    Date of Patent: July 25, 1995
    Assignees: Necam B.V., Koltec B.V.
    Inventor: Peter Schmal