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
Biological analysis arrangement and approach therefor
Wireless communication system using pilot allocation, method and pilot pattern thereof
Large carrying case
Semiconductor fin device and method for forming the same using high tilt angle implant
Active metal fuel cells
Isothermal amplification of DNA
Image capture and identification system and process
  Randomly Featured Patents
Hybrid tea rose plant named `Jaclin`
Circuit and method for generating internal clock signal
Electrolytic generation of halogen biocides
Time interleaved analogue/digital conversion device with self adaptive equalisation
Semiconductor device and method of fabricating the same
Plasma generating apparatus, plasma generating method and gas processing method by plasma reaction
Bearing shim
N-substituted azabicycloheptane derivatives, production and use thereof
Power management of a computer plug-in card having a remote data link
Stent cover