High efficiency portable power plant

Abstract

A high efficiency and high output electrical generator sized to match the electrical demands of generating power for lighting and operation of large amperage electrical machinery including an improved gear belt drive designed to allow the a diesel engine to run at a lower rpm, resulting in optimal fuel conservation benefit and longer run time on a tank of fuel, the engine, generator and motor mounts form a uniquely unitized mounting system employing a modular bell housing and generator adaptor plate supporting the engine, gears, belt drive and generator components.

What is claimed is: 
     
         1 . A portable electrical generating power plant producing electrical power for the operation of electrical equipment comprising:
 a portable transport trailer;   a high efficiency diesel engine having a compact and light weight profile and having a low noise output, extended servicing intervals and the ability to produce and high power output, operating on a diesel or bio-diesel fuel;   a belt drive and pulley system providing a wide belt supplied between a large engine pulley and a smaller generator pulley and constantly tightened by a tensioner pulley, said generator pulley further attached to an electrical generator; and   a coolant system maintaining a constant operational temperature regardless of the environmental temperature within which the power plant is operated, wherein said engine is operated at a lower rpm while maintaining a high rpm on the generator pulley, extending an operational time of the engine and producing a minimal 1600 watts at 60 Hz of electrical supply for the operation of a primary electrical device and an additional 2400 watts of electrical auxiliary power supply to supplemental secondary electrical outlets.   
     
     
         2 . The portable electrical generating power plant as disclosed in  claim 1 , said engine further comprising:
 a four stroke, 0.7 liter, 3 cylinder diesel engine having a compact and light-weight profile meeting or exceeding the requirements for off-highway emissions legislation for Stage IIIB (EU), Tier 4 Interim (US) and MLIT Step 4 (Japan) with a fuel efficiency of 0.24±0.05 gallons/hour with a run time on a full tank of 52 gallons of fuel at approximately 216 hours, ideally suited for remote location or for use in harsh environments where minimal service requirements are preferred or available and providing said power plant for suitable use as a source of electrical power for light towers, welding machinery, air compressors, or remote residential and commercial use where there is no alternative electrical power supply available and long term use is intended.   
     
     
         3 . The belt drive and pulley system as disclosed in  claim 1 , further comprising:
 said generator pulley and said engine pulley are solidly and rotationally secured in relation to each other upon a common housing mounting plate, with said additional tensioner and idler pulley attached to said housing mounting plate to keep said drive belt turning on a fixed and aligned common rotational plane with said tensioner and idler pulley defining a smooth outer surface applying a constant force to said belt in order to maintain said belt on said other pulleys, wherein said belt drive and pulley system, by being rotationally mounted upon said common housing mounting plate dampens vibrational forces, allowing said belt to turn and rotate at high speed without lateral forces and with less overall frictional stress, thus prolonging the life of said belt, maintaining an improve constant tension on said belt for better contact with said respective pulleys and reducing frictional heat applied to said belt, preserving the integrity of said belt.   
     
     
         4 . The belt drive and pulley system as disclosed in  claim 1 , further comprising:
 said engine pulley is directly driven by said engine, said engine pulley defining an eight inch diameter, an inner raised belt keeper, an outer raised belt keeper, and a pulley surface having a plurality of upward extending ridges;   said generator pulley is attached to said generator and defining a 3 inch diameter, an inner raised belt keeper, an outer raised belt keeper and a pulley surface having a plurality of upward extending ridges with said orientation and mounting of said three pulleys with said upward extending ridges of said engine and generator pulleys mated with said inner surface of the belt while said belt keepers maintain said belt on said pulleys.   
     
     
         5 . The electrical generator as disclosed in  claim 1 , further defining a brushless 4000-6000 watt two bearing generator with a capacitor, copper windings and providing bi-directional rotation at up to 3600 rpm to maintain 60 Hz, and mounting directly to a housing mounting plate mounted solidly to said engine to maintain said engine pulley and said generator pulley alignment. 
     
     
         6 . The belt drive and pulley system as disclosed in  claim 1 , generate the at least 1600 watts at 60 Hz of primary power and provide a residual 1600 watts of secondary power by use of said engine pulley with a diameter of eight inches, said generator pulley with a diameter of three inches and said engine operating at 1350 rpm. 
     
     
         7 . The belt drive and pulley system as disclosed in  claim 1 , generate the at least 1600 watts at 60 Hz of primary power and provide a residual 1600 watts of secondary power by use of said engine pulley with a diameter of eight inches, said generator pulley with a diameter of 3.3 inches and said engine operating at 1500 rpm. 
     
     
         8 . The belt drive and pulley system as disclosed in  claim 1 , generate the at least 1600 watts at 60 Hz of primary power and provide a residual 1600 watts of secondary power by use of said engine pulley with a diameter of eight inches, said generator pulley with a diameter of 3.55 inches and said engine operating at 1600 rpm. 
     
     
         9 . The belt drive and pulley system as disclosed in  claim 1 , generate the at least 1600 watts at 60 Hz of primary power and provide a residual 1600 watts of secondary power by use of said engine pulley with a diameter of eight inches, said generator pulley with a diameter of 3.77 inches and said engine operating at 1700 rpm. 
     
     
         10 . The belt drive and pulley system as disclosed in  claim 1 , generate the at least 1600 watts at 60 Hz of primary power and provide a residual 1600 watts of secondary power by use of said engine pulley with a diameter of eight inches, said generator pulley with a diameter of four inches and said engine operating at 1800 rpm. 
     
     
         11 . The engine coolant system as disclosed in  claim 1 , further comprising an engine driven OEM mechanical fan integrated within said belt drive and pulley system for use in non-arctic environments. 
     
     
         12 . The engine coolant system as disclosed in  claim 1 , further comprising an engine driven OEM mechanical fan operated by a minimal amount of the overall electrical current generated by said power plant for use in non-arctic environments. 
     
     
         13 . The engine coolant system as disclosed in  claim 1 , further comprising a thermostatically controlled radiator fan allowing said engine to reach operational temperature in less time than with a mechanical fan and allowing said engine to maintain operational temperature even under a light or variable load, and by maintaining a constant temperature resulting in improved fuel efficiency due to a more complete burning of fuel.