NZ587125A - System to adjust the themal output of a heat engine driving a generator without changing the electrical output - Google Patents

System to adjust the themal output of a heat engine driving a generator without changing the electrical output

Info

Publication number
NZ587125A
NZ587125A NZ587125A NZ58712510A NZ587125A NZ 587125 A NZ587125 A NZ 587125A NZ 587125 A NZ587125 A NZ 587125A NZ 58712510 A NZ58712510 A NZ 58712510A NZ 587125 A NZ587125 A NZ 587125A
Authority
NZ
New Zealand
Prior art keywords
engine
output
air
flow
fuel
Prior art date
Application number
NZ587125A
Inventor
Florin Silviu Gabriel Chokardell
Andrew Edward Kimber
Geoffrey Mentink
Donald Murray Clucas
Original Assignee
Whisper Tech Ltd
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 Whisper Tech Ltd filed Critical Whisper Tech Ltd
Priority to NZ587125A priority Critical patent/NZ587125A/en
Priority to PCT/NZ2011/000145 priority patent/WO2012015318A1/en
Publication of NZ587125A publication Critical patent/NZ587125A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00—General layout or general methods of operation of complete plants
    • F01K13/02—Controlling, e.g. stopping or starting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/02—Regulating fuel supply conjointly with air supply
    • F23N1/022—Regulating fuel supply conjointly with air supply using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/08—Regulating fuel supply conjointly with another medium, e.g. boiler water
    • F23N1/082—Regulating fuel supply conjointly with another medium, e.g. boiler water using electronic means
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/14—Combined heat and power generation [CHP]
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

Disclosed is a cogeneration system with variable air flow and fuel flow rates to change the output of the engine. The system comprises an external combustion Stirling cycle engine and a combustion chamber having a burner for supplying heat to the external combustion engine. A generator is driven by the external combustion engine for producing electricity and a heat exchanger recovers heat from the engine exhaust gases to produce a thermal air supply means capable of varying the flow rate of air to the engine. A fuel supply means varies the flow rate fuel to the engine and an electronic control system is arranged to increase the rate of air and fuel supply to the engine and to cause a flow or flows of additional air onto a heater head or heads of the engine to mix with combustion gases around the heater head or heads of the engine. The control system operates in a boost mode in response to a demand on the co-generation system for a boost level of thermal output which is higher than a normal level of thermal output such that thermal output of the cogeneration system is increased proportionately greater than any increase in electrical power output.
NZ587125A 2010-07-30 2010-07-30 System to adjust the themal output of a heat engine driving a generator without changing the electrical output NZ587125A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NZ587125A NZ587125A (en) 2010-07-30 2010-07-30 System to adjust the themal output of a heat engine driving a generator without changing the electrical output
PCT/NZ2011/000145 WO2012015318A1 (en) 2010-07-30 2011-07-29 Variable thermal output cogeneration system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ587125A NZ587125A (en) 2010-07-30 2010-07-30 System to adjust the themal output of a heat engine driving a generator without changing the electrical output

Publications (1)

Publication Number Publication Date
NZ587125A true NZ587125A (en) 2012-12-21

Family

ID=45530329

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ587125A NZ587125A (en) 2010-07-30 2010-07-30 System to adjust the themal output of a heat engine driving a generator without changing the electrical output

Country Status (2)

Country Link
NZ (1) NZ587125A (en)
WO (1) WO2012015318A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8735115B2 (en) 2012-03-30 2014-05-27 Lanzatech New Zealand Limited Method for controlling the sulphur concentration in a fermentation method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5065579A (en) * 1990-10-12 1991-11-19 Gas Research Institute Feedback air-fuel control system for Stirling engines
US7111460B2 (en) * 2000-03-02 2006-09-26 New Power Concepts Llc Metering fuel pump
GB0130380D0 (en) * 2001-12-19 2002-02-06 Bg Intellectual Pty Ltd A heat appliance
NZ560332A (en) * 2007-08-02 2009-08-28 Whisper Tech Ltd Variable thermal output cogeneration system

Also Published As

Publication number Publication date
WO2012015318A1 (en) 2012-02-02

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Legal Events

Date Code Title Description
PSEA Patent sealed
LAPS Patent lapsed