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
Anti-phishing system and method
Neurophysiological central auditory processing evaluation system and method
Method and apparatus for internet on-line insurance policy service
Plants and seeds of corn variety CV335662
Deadline-driven parallel execution of queries
Use of Lactobacillus for liver protection
  Randomly Featured Patents
Foreign language learning apparatus, foreign language learning method, and medium
Hydro-therapy fitting
Production of formaldehyde from CH.sub.4 and H.sub.2 S
Compound semiconductor light-emitting device and method for manufacturing the same
Image processing device and method of image processing
Multicistronic expression units and their use
Offline signature verification using high pressure regions
Pattern generation method and pattern generation program
Amine preparation