WO2011115874A1 - Split-cycle air-hybrid engine with minimized crossover port volume - Google Patents
Split-cycle air-hybrid engine with minimized crossover port volume Download PDFInfo
- Publication number
- WO2011115874A1 WO2011115874A1 PCT/US2011/028286 US2011028286W WO2011115874A1 WO 2011115874 A1 WO2011115874 A1 WO 2011115874A1 US 2011028286 W US2011028286 W US 2011028286W WO 2011115874 A1 WO2011115874 A1 WO 2011115874A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- air reservoir
- air
- expansion
- crossover passage
- compression
- Prior art date
Links
- 230000006835 compression Effects 0.000 claims abstract description 66
- 238000007906 compression Methods 0.000 claims abstract description 66
- 238000002485 combustion reaction Methods 0.000 description 16
- 238000010304 firing Methods 0.000 description 8
- 239000000446 fuel Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/12—Other methods of operation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
- F02B33/06—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps
- F02B33/22—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with pumping cylinder situated at side of working cylinder, e.g. the cylinders being parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B41/00—Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
- F02B41/02—Engines with prolonged expansion
- F02B41/06—Engines with prolonged expansion in compound cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
Definitions
- This invention relates to split-cycle engines and, more particularly, to such an engine incorporating an air- hybrid system.
- split-cycle engine as may be applied to engines disclosed in the prior art and as referred to in the present application.
- a split-cycle engine as referred to herein comprises :
- crossover passage interconnecting the compression and expansion cylinders, the crossover passage including at least a crossover expansion (XovrE) valve disposed therein, but more preferably including a crossover compression (XovrC) valve and a crossover expansion (XovrE) valve defining a pressure chamber therebetween.
- XovrE crossover expansion
- XovrC crossover compression
- XovrE crossover expansion
- a split-cycle air-hybrid engine as referred to herein comprises:
- crossover passage interconnecting the compression and expansion cylinders, the crossover passage including at least a crossover expansion (XovrE) valve disposed therein, but more preferably including a crossover compression (XovrC) valve and a crossover expansion (XovrE) valve defining a pressure chamber therebetween; and
- XovrE crossover expansion
- XovrC crossover compression
- XovrE crossover expansion
- a split-cycle air-hybrid engine can be run in a normal operating or firing (NF) mode (also commonly called the Engine Firing (EF) mode) and four basic air-hybrid modes.
- NF normal operating or firing
- EF Engine Firing
- the engine functions as a non-air hybrid split-cycle engine, operating without the use of its air reservoir.
- a tank valve operatively connecting the crossover passage to the air reservoir remains closed to isolate the air reservoir from the basic split-cycle engine.
- Expander The expansion cylinder and its associated expansion piston of a split-cycle engine.
- Xoyr (or Xover) valve, passage or port The crossover valves, passages, and/or ports which connect the compression and expansion cylinders through which gas flows from compression to expansion cylinder.
- intake (or inlet) air is drawn into the compression cylinder 12 through an intake port 19 disposed in the cylinder head 33.
- An inwardly opening (opening inwardly into the cylinder and toward the piston) poppet intake (or inlet) valve 18 controls fluid communication between the intake port 19 and the compression cylinder 12.
- the geometric engine parameters (i.e., bore, stroke, connecting rod length, volumetric compression ratio, etc.) of the compression 12 and expansion 14 cylinders are generally independent from one another.
- the crank throws 36, 38 for the compression cylinder 12 and expansion cylinder 14, respectively may have different radii and may be phased apart from one another such that top dead center (TDC) of the expansion piston 30 occurs prior to TDC of the compression piston 20.
- TDC top dead center
- the split-cycle engine 10 is operable to time the XovrC valve 24 and the XovrE valve 26 such that the XovrC and XovrE valves are both open for a substantial period of time (or period of crankshaft rotation) during which the expansion piston 30 descends from its TDC position towards its BDC position and the compression piston 20 simultaneously ascends from its BDC position towards its TDC position.
- a substantially equal mass of air is transferred (1) from the compression cylinder 12 into the crossover passage 22 and (2) from the crossover passage 22 to the expansion cylinder 14.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Valve Device For Special Equipments (AREA)
- Hybrid Electric Vehicles (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
- Semiconductor Integrated Circuits (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011800029697A CN102472155A (en) | 2010-03-15 | 2011-03-14 | Split-cycle air-hybrid engine with minimized crossover port volume |
CA 2769830 CA2769830A1 (en) | 2010-03-15 | 2011-03-14 | Split-cycle air-hybrid engine with minimized crossover port volume |
BR112012002420A BR112012002420A2 (en) | 2010-03-15 | 2011-03-14 | split-cycle hybrid air motor with minimized crossover gate volume |
MX2011013780A MX2011013780A (en) | 2010-03-15 | 2011-03-14 | Split-cycle air-hybrid engine with minimized crossover port volume. |
RU2011149963/06A RU2487254C1 (en) | 2010-03-15 | 2011-03-14 | Air hybrid engine with splitted cycle |
EP20110756789 EP2547885A1 (en) | 2010-03-15 | 2011-03-14 | Split-cycle air-hybrid engine with minimized crossover port volume |
AU2011227535A AU2011227535A1 (en) | 2010-03-15 | 2011-03-14 | Split-cycle air-hybrid engine with minimized crossover port volume |
JP2012524000A JP2013501194A (en) | 2010-03-15 | 2011-03-14 | Split-cycle air hybrid engine with minimal crossover port volume |
ZA2011/09450A ZA201109450B (en) | 2010-03-15 | 2011-12-21 | Split-cycle air-hybrid engine with minimized crossover port volume |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31383110P | 2010-03-15 | 2010-03-15 | |
US61/313,831 | 2010-03-15 | ||
US36382510P | 2010-07-13 | 2010-07-13 | |
US61/363,825 | 2010-07-13 | ||
US36534310P | 2010-07-18 | 2010-07-18 | |
US61/365,343 | 2010-07-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011115874A1 true WO2011115874A1 (en) | 2011-09-22 |
Family
ID=44558744
Family Applications (8)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2011/028284 WO2011115872A1 (en) | 2010-03-15 | 2011-03-14 | Split-cycle air-hybrid engine with expander deactivation |
PCT/US2011/028285 WO2011115873A1 (en) | 2010-03-15 | 2011-03-14 | Split-cycle air-hybrid engine with air tank valve |
PCT/US2011/028288 WO2011115875A1 (en) | 2010-03-15 | 2011-03-14 | Split-cycle air-hybrid engine having a threshold minimum tank pressure |
PCT/US2011/028276 WO2011115868A1 (en) | 2010-03-15 | 2011-03-14 | Split-cycle air-hybrid engine with air expander and firing mode |
PCT/US2011/028286 WO2011115874A1 (en) | 2010-03-15 | 2011-03-14 | Split-cycle air-hybrid engine with minimized crossover port volume |
PCT/US2011/028281 WO2011115870A1 (en) | 2010-03-15 | 2011-03-14 | Split-cycle air-hybrid engine with compressor deactivation |
PCT/US2011/028274 WO2011115866A1 (en) | 2010-03-15 | 2011-03-14 | Split-cycle engine with high residual expansion ration |
PCT/US2011/028278 WO2011115869A1 (en) | 2010-03-15 | 2011-03-14 | Split-cycle air-hybrid engine with firing and charging mode |
Family Applications Before (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2011/028284 WO2011115872A1 (en) | 2010-03-15 | 2011-03-14 | Split-cycle air-hybrid engine with expander deactivation |
PCT/US2011/028285 WO2011115873A1 (en) | 2010-03-15 | 2011-03-14 | Split-cycle air-hybrid engine with air tank valve |
PCT/US2011/028288 WO2011115875A1 (en) | 2010-03-15 | 2011-03-14 | Split-cycle air-hybrid engine having a threshold minimum tank pressure |
PCT/US2011/028276 WO2011115868A1 (en) | 2010-03-15 | 2011-03-14 | Split-cycle air-hybrid engine with air expander and firing mode |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2011/028281 WO2011115870A1 (en) | 2010-03-15 | 2011-03-14 | Split-cycle air-hybrid engine with compressor deactivation |
PCT/US2011/028274 WO2011115866A1 (en) | 2010-03-15 | 2011-03-14 | Split-cycle engine with high residual expansion ration |
PCT/US2011/028278 WO2011115869A1 (en) | 2010-03-15 | 2011-03-14 | Split-cycle air-hybrid engine with firing and charging mode |
Country Status (13)
Country | Link |
---|---|
US (9) | US20110220075A1 (en) |
EP (8) | EP2547883A1 (en) |
JP (8) | JP2012530203A (en) |
KR (8) | KR20120027530A (en) |
CN (8) | CN102472155A (en) |
AU (8) | AU2011227529B2 (en) |
BR (7) | BRPI1105780A2 (en) |
CA (8) | CA2769830A1 (en) |
CL (8) | CL2011003168A1 (en) |
MX (8) | MX2011011837A (en) |
RU (8) | RU2486354C1 (en) |
WO (8) | WO2011115872A1 (en) |
ZA (6) | ZA201107812B (en) |
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CN103742261A (en) * | 2014-01-23 | 2014-04-23 | 马平川 | Capacity expansion circle engine |
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CA2825782A1 (en) * | 2011-01-27 | 2012-08-02 | Scuderi Group, Inc. | Split-cycle air hybrid engine with dwell cam |
US9109468B2 (en) | 2012-01-06 | 2015-08-18 | Scuderi Group, Llc | Lost-motion variable valve actuation system |
US20130298889A1 (en) * | 2012-05-09 | 2013-11-14 | Scuderi Group, Inc. | Outwardly-opening valve with cast-in diffuser |
US8443769B1 (en) | 2012-05-18 | 2013-05-21 | Raymond F. Lippitt | Internal combustion engines |
US9303559B2 (en) | 2012-10-16 | 2016-04-05 | Raymond F. Lippitt | Internal combustion engines |
WO2014151845A1 (en) | 2013-03-15 | 2014-09-25 | Scuderi Group, Inc. | Split-cycle engines with direct injection |
US10018112B2 (en) | 2013-06-05 | 2018-07-10 | Wise Motor Works, Ltd. | Internal combustion engine with paired, parallel, offset pistons |
TR201818555T4 (en) * | 2013-07-17 | 2019-01-21 | Tour Engine Inc | Spool shuttle crosover valve in split cycle motor. |
US9719444B2 (en) | 2013-11-05 | 2017-08-01 | Raymond F. Lippitt | Engine with central gear train |
US9217365B2 (en) | 2013-11-15 | 2015-12-22 | Raymond F. Lippitt | Inverted V-8 internal combustion engine and method of operating the same modes |
US9664044B2 (en) | 2013-11-15 | 2017-05-30 | Raymond F. Lippitt | Inverted V-8 I-C engine and method of operating same in a vehicle |
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US9874182B2 (en) | 2013-12-27 | 2018-01-23 | Chris P. Theodore | Partial forced induction system |
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-
2010
- 2010-03-23 MX MX2011011837A patent/MX2011011837A/en not_active Application Discontinuation
-
2011
- 2011-03-14 AU AU2011227529A patent/AU2011227529B2/en not_active Ceased
- 2011-03-14 CA CA 2769830 patent/CA2769830A1/en not_active Abandoned
- 2011-03-14 EP EP20110756787 patent/EP2547883A1/en not_active Withdrawn
- 2011-03-14 BR BRPI1105780A patent/BRPI1105780A2/en not_active IP Right Cessation
- 2011-03-14 KR KR20127000956A patent/KR20120027530A/en not_active Application Discontinuation
- 2011-03-14 BR BR112012001700A patent/BR112012001700A2/en not_active IP Right Cessation
- 2011-03-14 KR KR20127001192A patent/KR20120027536A/en not_active Application Discontinuation
- 2011-03-14 US US13/046,811 patent/US20110220075A1/en not_active Abandoned
- 2011-03-14 WO PCT/US2011/028284 patent/WO2011115872A1/en active Application Filing
- 2011-03-14 AU AU2011227535A patent/AU2011227535A1/en not_active Abandoned
- 2011-03-14 WO PCT/US2011/028285 patent/WO2011115873A1/en active Application Filing
- 2011-03-14 KR KR20127001348A patent/KR20120032008A/en not_active Application Discontinuation
- 2011-03-14 JP JP2012515235A patent/JP2012530203A/en active Pending
- 2011-03-14 BR BRPI1105767A patent/BRPI1105767A2/en not_active IP Right Cessation
- 2011-03-14 JP JP2012520844A patent/JP5508528B2/en not_active Expired - Fee Related
- 2011-03-14 CA CA2765588A patent/CA2765588A1/en not_active Abandoned
- 2011-03-14 WO PCT/US2011/028288 patent/WO2011115875A1/en active Application Filing
- 2011-03-14 JP JP2012524940A patent/JP2013501894A/en active Pending
- 2011-03-14 US US13/046,819 patent/US20110220078A1/en not_active Abandoned
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