Patents Assigned to Eagle Engineering and Manufacturing, Inc.
  • Off-road heating control
    Patent number: 5799869
    Abstract: Apparatus for heating and cooling an enclosed operator space in an off-road vehicle controlling evaporator fan speed, compressor clutch and condenser fan operation, and having sensors for detecting operator space temperature and an evaporator freezing condition, the condenser fan motor fuse condition, and under or over pressure conditions in the compressor; the apparatus also controls the operation of a heat source such as a heat valve in a coolant path or an electric resistance heater. The evaporator fan speed is controlled by pulse-width modulating power to the fan motor and speed is displayed by a bar graph; a digital display of temperature and system diagnostics is also provided. Operation of the clutch is inhibited when the evaporator freezes.
    Type: Grant
    Filed: November 20, 1995
    Date of Patent: September 1, 1998
    Assignee: Eagle Engineering and Manufacturing, Inc.
    Inventor: Andrew J. Pichotta
  • Off-road cooling control
    Patent number: 5613370
    Abstract: Apparatus for heating and cooling an enclosed operator space in an off-road vehicle controlling evaporator fan speed, compressor clutch and condenser fan operation, and having sensors for detecting operator space temperature and an evaporator freezing condition, the condenser fan motor fuse condition, and under or over pressure conditions in the compressor; the apparatus also controls the operation of a heat source such as a heat valve in a coolant path or an electric resistance heater. The evaporator fan speed is controlled by pulse-width modulating power to the fan motor and speed is displayed by a bar graph; a digital display of temperature and system diagnostics is also provided. Operation of the clutch is inhibited when the evaporator freezes.
    Type: Grant
    Filed: November 20, 1995
    Date of Patent: March 25, 1997
    Assignee: Eagle Engineering and Manufacturing, Inc.
    Inventor: Andrew J. Pichotta
  • Off-road air conditioning control
    Patent number: 5490556
    Abstract: Apparatus for heating and cooling an enclosed operator space in an off-road vehicle controlling evaporator fan speed, compressor clutch and condenser fan operation, and having sensors for detecting operator space temperature and an evaporator freezing condition, the condenser fan motor fuse condition, and under or over pressure conditions in the compressor; the apparatus also controls the operation of a heat source such as a heat valve in a coolant path or an electric resistance heater. The evaporator fan speed is controlled by pulse-width modulating power to the fan motor and speed is displayed by a bar graph; a digital display of temperature and system diagnostics is also provided. Operation of the clutch is inhibited when the evaporator freezes.
    Type: Grant
    Filed: June 9, 1993
    Date of Patent: February 13, 1996
    Assignee: Eagle Engineering and Manufacturing, Inc.
    Inventor: Andrew J. Pichotta