Patents Assigned to BRQT Corporation
  • Two-cycle internal combustion engine with reduced unburned hydrocarbons in the exhaust gas and adjustable spark gap electrodes
    Patent number: 5582156
    Abstract: A two-cycle internal combustion engine configuration and control strategy in which the unburned hydrocarbon emissions are measured in the exhaust manifold during the scavenging process using a fast response air fuel sensor. The signal from the sensor is used to control the operation of a low pressure ratio blower and the inlet fuel and oil flow. In this way the inlet flow of fuel and air may be reduced which controls the short circuiting loss of fuel during the scavenging process and reduces unburned hydrocarbons in the exhaust gas.
    Type: Grant
    Filed: February 13, 1995
    Date of Patent: December 10, 1996
    Assignee: BRQT Corporation
    Inventors: Harry Cullum, Jonathan Korn
  • Two-cycle internal combustion engine with reduced unburned hydrocarbons in the exhaust gas and adjustable spark gap electrodes
    Patent number: 5388561
    Abstract: A new two-cycle internal combustion engine configuration and control strategy in which the unburned hydrocarbon emissions are measured in the exhaust manifold during the scavenging process using a fast response air fuel sensor. The signal from the sensor is used to control the operation of a low pressure ratio blower and the inlet fuel and oil flow. In this way the inlet flow of fuel and air may be reduced which controls the short circuiting loss of fuel during the scavenging process and reduces unburned hydrocarbons in the exhaust gas.
    Type: Grant
    Filed: March 30, 1993
    Date of Patent: February 14, 1995
    Assignee: BRQT Corporation
    Inventors: Harry Cullum, Jonathan Korn
  • Two-cycle internal combustion engine with reduced unburned hydrocarbons in the exhaust gas
    Patent number: 5311854
    Abstract: A two-cycle internal combustion engine configuration and control strategy in which the unburned hydrocarbon emissions in the exhaust gas are measured by a sensor in the exhaust manifold. The information from the sensor is used to control the outflow of air from a blower mixed with the fuel to vary the total volume of fuel and air to thus reduce unburned hydrocarbons in the exhaust gas.
    Type: Grant
    Filed: January 25, 1993
    Date of Patent: May 17, 1994
    Assignee: BRQT Corporation
    Inventor: Harry Cullum