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
Cordless hand blender
Creation and use of test cases for automated testing of media-based applications
High power insulated gate bipolar transistors
Near-field transducers for focusing light
Methods, systems, and computer program product for virtually modifying surface region curvature to detect protrusions
Load balancing for parallel tasks
  Randomly Featured Patents
Data transmission in a mobile network
Smoking article with concentric hollow core in tobacco rod and capsule containing flavorant and aerosol forming agents in the filter system
Compact low pressure arc discharge lamp
Controlled atmosphere capsule for fluxless brazing
Method for adjusting the rotational angle position of the camshaft of a reciprocating internal combustion engine in relation to the crankshaft
Apparatus for reinforcing a body side panel of a motor vehicle
Hybrid vehicle system having engine with variable valve operation
Pin removal structure used in printed circuit board drilling machine