IES20000253A2 - Hybrid electric power generator and method for generating electric power - Google Patents

Hybrid electric power generator and method for generating electric power

Info

Publication number
IES20000253A2
IES20000253A2 IE20000253A IES20000253A IES20000253A2 IE S20000253 A2 IES20000253 A2 IE S20000253A2 IE 20000253 A IE20000253 A IE 20000253A IE S20000253 A IES20000253 A IE S20000253A IE S20000253 A2 IES20000253 A2 IE S20000253A2
Authority
IE
Ireland
Prior art keywords
fluid
air
hydraulic motor
electric power
storage tank
Prior art date
Application number
IE20000253A
Inventor
Metaz Kanj Mohammed Aldendeshe
Original Assignee
Metaz Kanj Mohammed Aldendeshe
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Metaz Kanj Mohammed Aldendeshe filed Critical Metaz Kanj Mohammed Aldendeshe
Publication of IES20000253A2 publication Critical patent/IES20000253A2/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
    • B60L50/62—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles charged by low-power generators primarily intended to support the batteries, e.g. range extenders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/66—Arrangements of batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/90—Electric propulsion with power supplied within the vehicle using propulsion power supplied by specific means not covered by groups B60L50/10 - B60L50/50, e.g. by direct conversion of thermal nuclear energy into electricity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/10—Alleged perpetua mobilia
    • F03G7/119—Alleged perpetua mobilia amplifying power, torque or energy
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/04—Control effected upon non-electric prime mover and dependent upon electric output value of the generator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/28—Trailers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

A system for generating electric power comprises an electrically driven air compression unit (10), a high-pressure storage tank (14) and a hydraulic system. The hydraulic system comprises a fluid reservoir (20), a pneumatically driven fluid pump (18) and a hydraulic motor (26), having a drive shaft (28) rotatably coupled to an electric generator (8). Initially a high-speed compression unit (10) is operated by an outside electric source. The air is compressed into the high-pressure storage tank (14) and controllably released into the pneumatically driven fluid pump (18), causing its operation. Hydraulic fluid being pressured from the fluid reservoir (20) into the hydraulic motor (26) causes the rotation of the motor drive shaft (28) and the electric generator (8). Electric power is generated. The outside electric source is removed. Part of the generated power is used to operate the compression unit (10) the other part of the power is used by a load. <Figure 1>

Description

Hybrid electric power generator and method for generating electric power The present invention relates generally to an electric generator, more particularly to a hybrid electric generator. it O j 9 For nearly 100 years electric power has been typically produced by generators in electric power plants. These generators are very massive ' and require the construction of large facilities to operate. The technology ; to drive these generators is as old as the electric generator itself. It relies : on the expenditure of huge amount of expensive polluting and environmentally disruptive nonrenewable resources such as: •hydroelectric power, fossil fuel and nuclear energy. Hydroelectric power ^plants require building of massive dams on rivers, that are proven to be disruptive to flora and fauna habitat and cause ecological imbalances that have disastrous effects on the eco system. Using fossil fuels such as coal, petroleum and natural gas, power plants pollute air and produce greenhouse effect gases, which are the cause of multitude human diseases, ecological accidents and catastrophic environmental problems. The struggle to control and secure the fossil fuels energy resources has been the cause of numerous social, political, economic and war upheavals throughout the 20th century. Power plants utilizing nuclear fuels produce harmful radioactive wastes. Nuclear waste storage is one of the major problems facing us today. Its effect on the environment of the future is not known yet, but most experts forecast dire consequences. Other means of producing electric power are by small portable or mobile generators. These are driven by internal combustion engines. The IE000253 operation of these engines depends on valuable resources of fossil fuels that produce air pollution.
An advantage of the present invention is that it generates electrical 5 power economically and without producing environmental hazards. It utilizes non-combustible clean and free high-pressure compressed air to generate valuable electrical energy. Another advantage is the portability of the system of the present invention. It is transportable electrical energy that will electrically power motorized automobiles, crafts and various machinery. Most importantly and unlike battery charged systems, high-pressure air, compressed by high-speed compressor into a storage tank, will operate large electric generators in the megawatt range Accordingly, the invention provides in a first aspect a hybrid electric power generator, comprising: a ) air compression means having an air outlet connected to a storage tank storing compressed air; b ) a hydraulic system comprising a fluid reservoir, a pneumatically driven fluid pump having an air inlet connected to said storage tank air outlet and a fluid outlet connected to said fluid reservoir, a hydraulic motor having a fluid inlet connected to the fluid outlet of said fluid reservoir and having a fluid outlet connected to said pneumatically driven fluid pump fluid inlet, said hydraulic motor having a rotating drive shaft; IE000253 c ) an electric generator rotatably driven by said hydraulic motor having electrical output leads, one of the leads is connected to the electrical input of said air compression means.
Preferably, the hybrid power generator further comprises an electrical regulator and wherein said electric generator is a direct current electric generator or an alternating current electric generator.
According to a second aspect of the invention there is provided a hybrid 10 method for generating electric power, comprising: a ) air compression means having an air outlet connected to a storage tank storing compressed air; b ) a hydraulic system comprising a fluid reservoir, a pneumatically driven fluid pump having an air inlet connected to said storage tank air outlet and a fluid outlet connected to said fluid reservoir, a hydraulic motor having a fluid inlet connected to the fluid outlet of said fluid reservoir and having a fluid outlet connected to said pneumatically driven fluid pump fluid inlet, said hydraulic motor having a rotating drive shaft; IE000253 c ) an electric generator rotatably driven by said hydraulic motor having electrical output leads, one of the leads is connected to the electrical input of said air compression means.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view of the present invention.
FIG. 1A is an elevational sectional drawing of the preferred embodiment 10 of the present invention, when viewed from 1 A-1A direction of FIG. 1.
FIG. 2 shows the present invention as an electric power source to drive a vehicle.
FIG. 3 shows the present invention as a transportable unit.
IE000253 LIST OF REFERENCE NUMERALS UTILIZED IN THE DRAWINGS 3- electrical input lead 7- other electrical input - air outlet 8- electric generator 9- reservoir fluid inlet - air compression unit 11- motor fluid inlet valve 12- housing structure 14- pressurized air storage tank 16- fluid pump air inlet 18- hydraulic fluid pump 20- fluid reservoir 21- hydraulic pump fluid inlet 22- hydraulic pump fluid outlet 24- reservoir fluid outlet - system of the present invention 26- hydraulic motor 27- motor fluid outlet valve 28- drive shaft 38- regulator output lead 40- armature shaft 41- electrical output lead 42- electrical regulator 48- air compressor inlet valve 50- another electrical lead 54- electrical load IE000253 It is an object of the present invention to provide an electric generator, which generates electrical power economically and without producing environmental pollution. The system comprises an electrically driven air compressor, having an air outlet connected to a high-pressure storage tank. The air released from the storage tank enters a pneumatically driven fluid pump in a hydraulic system. The hydraulic system comprising a fluid reservoir, a pneumatically driven fluid pump and a hydraulic motor, having a drive shaft rotatably coupled to an electric generator.
Initially the system of the present invention is operated by an outside electric source. Once the system is sufficiently rotated, the outside source can be removed. High-pressured air released into the pneumatically driven fluid pump causes the rotation of the hydraulic motor and attached to it the drive shaft. A generator is rotatably coupled to the drive shaft. When the generator is sufficiently rotated, electric power is generated. Part of the generated power is used to operate the electrically driven air compression unit, the other part is used by a load. In the preferred embodiment of this invention one of the generator electrical outputs is connected to a regulator, that has its electrical outputs connected to a load. The entire assembly is covered by a housing structure.
Other advantages and features of the present invention will become apparent from the following description, which refers to the accompanying drawings.
IE000253 In FIG. 1 A, an elevetional sectional view of a system 25 of the present invention is shown according to the preferred embodiment, when viewed from 1A-1A direction of FIGI. System 25 comprises a housing structure 12 having a plurality of support planes. Securely mounted in the enclosure of housing structure 12 is an electrically driven air compression unit 10 having electrical inputs 3 and 7, an air outlet 5, that is connected to an air inlet valve 48 of a high pressure storage tank 14, containing air under high pressure. System 25 further comprises a hydraulic system that includes a fluid reservoir 20, a pneumatically driven fluid pump 18 and a hydraulic motor 26. Fluid reservoir 20 has a fluid inlet 9 and a fluid outlet 24. Pneumatically driven fluid pump 18 having an air inlet 16, a fluid outlet 22, connected to fluid reservoir fluid inlet 9, and a fluid inlet 21, connected to a hydraulic motor fluid outlet 27. Hydraulic motor 26 having a fluid inlet 11 connected to fluid reservoir outlet 24 and a drive shaft 28 rotationally coupled to an armature shaft 40. System 25 further comprises an electric generator 8, having an electrical output lead 41 electrically connected to an electric regulator 42. The regulator has an electrical lead 38, used to electrically operate air compression unit 10, and an electrical lead 50, used by a load 54.
The operation of the present invention according to the preferred embodiment will now be described. The operation of system 25 is cyclic. Initially the present invention is operated by an outside electric source, connected to electrical inputs 7, so that high-speed compression unit 10 is operated and air is compressed into high-pressure storage tank 14. The storage tank is cylindrically shaped and composed of a metal material, IE000253 such as titanium steel of sufficient strength to contain pressurized air at a pressure approximating 2500 pound per square inch (p.s.i.). When air pressure inside the storage tank reaches the pre-determined level, and capacity of storage tank 14 is full, the outside electric source can be removed. High-pressured air is controllably released through air inlet 16 into pneumatically driven fluid pump 18, causing the operation of the fluid pump. Hydraulic fluid is pressured into the fluid reservoir through fluid inlet valve 22 and released under pressure through fluid outlet valve 24 into fluid valve 11 of hydraulic motor 26. Hydraulic fluid is pressured into hydraulic motor 26, causing the rotation of the motor drive shaft 28 and attached to it armature shaft 40 of generator 8. Electric power is generated. Hydraulic fluid is further pressured out of the hydraulic motor through outlet valve 27 back into pneumatically driven fluid pump 18 through inlet valve 21. The cycle is completed and continues.
In this preferred embodiment the generator electrical output lead 41 is connected to the electrical input of electrical regulator 42, that has its electrical output lead 50 used for consumption by load 54 and electrical output lead 38 used to electrically operate air compression unit 10.
The present invention can be stationary mounted on a base, or as shown in FIG 3, transported by movable means, or as shown in FIG 2, used as a power source to drive motorized crafts and vehicles. The present invention is superior to a conventional power generator, and it is a superior system for generating electrical power economically and without producing environmental hazards.

Claims (5)

1. Claims:1. A hybrid electric power generator, comprising: a ) air compression means having an air outlet connected to a storage tank storing compressed air; 5 b ) a hydraulic system comprising a fluid reservoir, a pneumatically driven fluid pump having an air inlet connected to said storage tank air outlet and a fluid outlet connected to said fluid reservoir, a hydraulic motor having a fluid inlet connected to the fluid outlet of said fluid reservoir and having a fluid outlet 10 connected to said pneumatically driven fluid pump fluid inlet, said hydraulic motor having a rotating drive shaft; c ) an electric generator rotatably driven by said hydraulic motor having electrical output leads, one of the leads is connected to the electrical input of said air compression means. 15
2. A hybrid power generator according to claim 1, further comprising an electrical regulator and wherein said electric generator is a direct current electric generator or an alternating current electric generator.
3. A hybrid method for generating electric power, comprising: 20 a ) air compression means having an air outlet connected to a storage tank storing compressed air; IE000253 ίο b ) a hydraulic system comprising a fluid reservoir, a pneumatically driven fluid pump having an air inlet connected to said storage tank air outlet and a fluid outlet connected to said fluid reservoir, a hydraulic motor having a fluid inlet connected to 5 the fluid outlet of said fluid reservoir and having a fluid outlet connected to said pneumatically driven fluid pump fluid inlet, said hydraulic motor having a rotating drive shaft; c ) an electric generator rotatably driven by said hydraulic motor having electrical output leads, one of the leads is connected to the 10 electrical input of said air compression means.
4. A hybrid electric generator, substantially as hereinbefore described with particular reference to and as illustrated in the accompanying drawings.
5. A hybrid method for generating electric power, substantially as 15 hereinbefore described.
IE20000253A 1999-12-08 2000-04-06 Hybrid electric power generator and method for generating electric power IES20000253A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16959299P 1999-12-08 1999-12-08

Publications (1)

Publication Number Publication Date
IES20000253A2 true IES20000253A2 (en) 2001-04-18

Family

ID=22616342

Family Applications (1)

Application Number Title Priority Date Filing Date
IE20000253A IES20000253A2 (en) 1999-12-08 2000-04-06 Hybrid electric power generator and method for generating electric power

Country Status (8)

Country Link
CN (1) CN1218471C (en)
AU (1) AU1777701A (en)
BR (1) BR0016125A (en)
DE (1) DE10085294T1 (en)
GB (1) GB2373651B (en)
IE (1) IES20000253A2 (en)
RU (1) RU2002112757A (en)
WO (1) WO2001043272A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6856033B2 (en) * 2000-12-08 2005-02-15 Bhanuprasad Patel Energy conversion system
US6670580B2 (en) 2001-05-04 2003-12-30 Senco Products, Inc. Power box
US6660967B2 (en) 2001-08-28 2003-12-09 Senco Products, Inc. Power box
WO2003021094A1 (en) * 2001-08-28 2003-03-13 Senco Products, Inc. Power box
PL366181A3 (en) * 2004-03-12 2005-09-19 Bukowski Zbigniew Granipol Construction Closed generator drive system with high-pulse, electrohydrodynamic, gravity-inertial closed cycle engine
GB2484281A (en) * 2010-10-04 2012-04-11 Ryan Antonio White Compressed air generator
DE102012010964A1 (en) * 2012-05-29 2013-12-05 Peter Richard Labentz Process and exergy power plant for decentralized power generation by using the physical energy form Overpressure energy as a state variable in a stationary flow process by means of an impeller turbine
CN109763949A (en) * 2018-08-07 2019-05-17 海南小金鱼实业有限公司 A kind of air energy energy converter device

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US3597621A (en) * 1967-12-01 1971-08-03 Kiichi Yamada Special thermal electric power generating unit using pressurized hot air together with superheated steam
US5087824A (en) * 1990-04-09 1992-02-11 Bill Nelson Power plant for generation of electrical power and pneumatic pressure
US5141173A (en) * 1991-08-12 1992-08-25 Lay Joachim E Pressure-jet and ducted fan hybrid electric car
US5296799A (en) * 1992-09-29 1994-03-22 Davis Emsley A Electric power system
US5477115A (en) * 1994-05-26 1995-12-19 Ingersoll-Rand Company Apparatus and method for controlling start-up of electrically-powered machines
US5553454A (en) * 1995-03-20 1996-09-10 Mortner; Sol E. Compressed air engine system and method for generating electrical energy from the controlled release of compressed air
US6051809A (en) * 1998-04-14 2000-04-18 Colella; Joe L. Self-contained integrated welder/generator and compressor

Also Published As

Publication number Publication date
GB2373651B (en) 2004-03-10
BR0016125A (en) 2002-08-06
GB2373651A (en) 2002-09-25
CN1421067A (en) 2003-05-28
AU1777701A (en) 2001-06-18
DE10085294T1 (en) 2003-11-06
RU2002112757A (en) 2004-02-10
GB0211032D0 (en) 2002-06-26
WO2001043272A1 (en) 2001-06-14
CN1218471C (en) 2005-09-07

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