Resources Contact Us Home
Transit vehicle heater

Image Number 17 for United States Patent #5878950.

A supplementary vehicle heater is provided which includes a burner, a heat exchanger, a coolant conduit connected to the heat exchanger and a coolant pump connected to the conduit. There are controls which are operatively connected to the burner and the coolant pump which operate the heater in a first mode when the engine is stopped to preheat the engine or keep the engine warm. The controls operate the heater in a second mode when the engine is running to improve heating of vehicle interior. Preferably the controls include automatic controls which engine coolant temperature. The controls cause the burner and pump to function when the engine is running and the coolant temperature is below preset temperature.

  Recently Added Patents
Computer systems and methods for the query and visualization of multidimensional databases
Out-of-order load/store queue structure
Sealed, waterproof digital electronic camera system and method of fabricating same
Universal handle extension for unloading butterfly valve for tank trailer or other vehicle
Protecting a gaming machine from rogue code
Methods of synthesizing heteromultimeric polypeptides in yeast using a haploid mating strategy
Remote device pairing setup
  Randomly Featured Patents
N-hydroxylsulfonamide derivatives as new physiologically useful nitroxyl donors
Method for preparing vinyl chloride polymers
System and method for management of end user computing devices
Lock for a computer
Display device, display method, and display control program
Contoured eye shadow applicator system and make-up method
Pharmaceutical compositions of .beta.-lapachone and .beta.-lapachone analogs with improved tumor targeting potential
Multiple exposure and single etch integration method
Array of active devices and method for testing an array of active devices
Motion picture signal compressing apparatus which encodes the motion vector of the block of a motion picture signal picture as a motion vector difference