Fuel preheater for diesel engines

Patent · Tue Oct 13 04:00:00 EDT 1987

OSTI ID:5762903

Crossett, J J; Crossett, M C

A unit for preheating fuel for diesel engines is described having an engine coolant system and a lubrication system utilizing a flowable lubricant. The unit comprises a housing providing a fluid-tight enclosure, a heat exchange coil positioned in and spaced above the bottom of the enclosure and having loops providing a continuous path for the flow of the fuel to be heated. The heat exchange coil has at least one foot of length for each 25 cubic inches of volume of the enclosure and a diesel fuel outlet in the housing connected to one end of the heat exchange coil, a diesel fuel outlet in the housing and connected to the other end of the heat exchange coil, an inlet in the housing for connection of the interior of the enclosure surrounding the coil to a source of a hot heat exchange medium in a diesel engine so as to provide a source of heat for heating the heat exchange coil. An outlet near the top of the housing provides for return of the heat exchange medium to a diesel engine, and spray tube means extend horizontally from the inlet for the heat exchange medium and along the bottom of the housing beneath substantially the entire length of the heat exchange coil. The means have upwardly directed openings to provide for discharge of the heat exchange medium toward the coil and agitation of the heat exchange medium in the enclosure around and over the heat exchange coil.

• Assignee: Crossett and Sons, Inc., Washington, IA
• Patent Number(s): US 4700047
• OSTI ID: 5762903
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330102* -- Internal Combustion Engines-- Diesel
COOLING SYSTEMS
DESIGN
DIESEL ENGINES
DIESEL FUELS
ENERGY SYSTEMS
ENGINES
FUEL SYSTEMS
HEAT ENGINES
HEAT EXCHANGERS
HEATERS
HEATING
INTERNAL COMBUSTION ENGINES
LUBRICANTS
LUBRICATION
PETROLEUM PRODUCTS
THERMODYNAMICS