Super-turbocharger having a high speed traction drive and a continuously variable transmission
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02B-033/44
F02B-037/10
F02B-039/04
F02B-041/10
F02M-025/07
F16H-009/16
F16H-013/06
F16H-015/04
F16H-015/50
출원번호
US-0055213
(2013-10-16)
등록번호
US-9217363
(2015-12-22)
발명자
/ 주소
Riley, Michael B.
VanDyne, Ed
Brown, Jared William
출원인 / 주소
VanDyne SuperTurbo, Inc.
대리인 / 주소
Cochran, William W.
인용정보
피인용 횟수 :
3인용 특허 :
72
초록▼
A super-turbocharger utilizing a high speed, fixed ratio traction drive that is coupled to a continuously variable transmission to allow for high speed operation is provided. A high speed traction drive is utilized to provide speed reduction from the high speed turbine shaft. A second traction drive
A super-turbocharger utilizing a high speed, fixed ratio traction drive that is coupled to a continuously variable transmission to allow for high speed operation is provided. A high speed traction drive is utilized to provide speed reduction from the high speed turbine shaft. A second traction drive provides infinitely variable speed ratios through a continuously variable transmission. Gas recirculation in a super-turbocharger is also disclosed.
대표청구항▼
1. A method of facilitating exhaust gas recirculation in a super-turbocharged internal combustion engine comprising: providing a high pressure exhaust port of a first predetermined size in said internal combustion engine;providing a low pressure exhaust port of a second predetermined size in said in
1. A method of facilitating exhaust gas recirculation in a super-turbocharged internal combustion engine comprising: providing a high pressure exhaust port of a first predetermined size in said internal combustion engine;providing a low pressure exhaust port of a second predetermined size in said internal combustion engine, said second predetermined size being larger than said first predetermined size;driving a high pressure super-turbocharger with a least a first portion of higher pressure exhaust gases from said high pressure exhaust port;providing at least a second portion of said higher pressure exhaust gases from said high pressure exhaust port to an intake manifold of said internal combustion engine;driving a low pressure super-turbocharger with lower pressure exhaust gases from said low pressure exhaust port;providing compressed air from an output of said low pressure super-turbocharger to an air input of said high pressure super-turbocharger;providing compressed air from an output of said high pressure super-turbocharger, at a predetermined pressure, to an intake manifold of said internal combustion engine;opening said high pressure exhaust port while a pressure in said high pressure exhaust port is greater than said predetermined pressure so that said second portion of said higher pressure exhaust gases recirculate through said internal combustion engine. 2. The method of facilitating exhaust gas recirculation in a super-turbocharged internal combustion engine of claim 1, further comprising: controlling said amount of said second portion of said higher pressure exhaust gases with respect to said first portion of said higher pressure exhaust gases using a valve disposed in a conduit that provides said second portion of said higher pressure exhaust gases to said intake manifold. 3. A method of facilitating exhaust gas recirculation in a super-turbocharged internal combustion engine comprising: providing a high pressure exhaust port of a first predetermined size in said internal combustion engine;providing a low pressure exhaust port of a second predetermined size in said internal combustion engine, said second predetermined size being larger than said first predetermined size;driving a high pressure turbine of a high pressure super-turbocharger with higher pressure exhaust gases from said high pressure exhaust port;driving a low pressure turbine of a low pressure super-turbocharger with lower pressure exhaust gases from said low pressure exhaust port;providing compressed air from an output of a low pressure compressor of said low pressure super-turbocharger to an air input of a high pressure compressor of said high pressure super-turbocharger;providing compressed air from an output of said high pressure compressor of said high pressure super-turbocharger, at a predetermined pressure, to an intake manifold of said internal combustion engine;providing exhaust gases from an output of said high pressure turbine to said intake manifold of said internal combustion engine;opening said high pressure exhaust port while pressure of said exhaust gases in said high pressure exhaust port is greater than said predetermined pressure so that said higher pressure exhaust gases from said output of said high pressure turbine recirculate through said internal combustion engine. 4. The method of facilitating exhaust gas recirculation in a super-turbocharged internal combustion engine of claim 3, further comprising: providing a portion of said exhaust gases from said output of said high pressure turbine to said lower pressure exhaust gases to assist in driving said low pressure super-turbocharger. 5. The method of facilitating exhaust gas recirculation in a super-turbocharged internal combustion engine of claim 3, further comprising: providing a portion of said higher pressure exhaust gases from said high pressure exhaust port to said intake manifold. 6. A method of facilitating exhaust gas recirculation in a super-turbocharged internal combustion engine comprising: providing a high pressure exhaust port of a first predetermined size in said internal combustion engine;providing a low pressure exhaust port of a second predetermined size in said internal combustion engine, said second predetermined size being larger than said first predetermined size;providing higher pressure exhaust gases from said high pressure exhaust port to an intake manifold of said internal combustion engine;driving a low pressure turbine of a low pressure super-turbocharger with lower pressure exhaust gases from said low pressure exhaust port;providing compressed air from an output of a low pressure compressor of said low pressure super-turbocharger, at a predetermined pressure, to an intake manifold of said internal combustion engine;opening said high pressure exhaust port while a pressure in said high pressure exhaust port is greater than said predetermined pressure so that said higher pressure exhaust gases recirculate through said internal combustion engine. 7. The method of facilitating exhaust gas recirculation in a super-turbocharged internal combustion engine of claim 6, further comprising: providing a portion of said higher pressure exhaust gases to said lower pressure exhaust gases to assist in driving said low pressure super-turbocharger. 8. An exhaust gas recirculation system in a super-turbocharged internal combustion engine comprising: a high pressure exhaust valve disposed in a first cylinder of said internal combustion engine, said high pressure exhaust valve having a first predetermined size, said high pressure exhaust valve controlling a flow of higher pressure exhaust gases in a high pressure exhaust port;a low pressure exhaust valve disposed in said first cylinder of said internal combustion engine, said low pressure exhaust valve having a second predetermined size that is greater than said first predetermined size, said low pressure exhaust valve controlling a flow of lower pressure exhaust gases in a low pressure exhaust port;a high pressure super-turbocharger having a high pressure compressor and a high pressure turbine that is driven by at least a first portion of said higher pressure exhaust gases in said high pressure exhaust port and produces compressed air at an output of said high pressure compressor;a first conduit that provides at least a second portion of said higher pressure exhaust gases from said high pressure exhaust port to an intake manifold of said internal combustion engine;a low pressure super-turbocharger having a low pressure compressor and a low pressure turbine that is driven by said lower pressure exhaust gases from said low pressure exhaust port;a second conduit that provides compressed air from an output of said low pressure compressor to an air input of said high pressure compressor;a third conduit that provides said compressed air from said output of said high pressure compressor, at a predetermined pressure, to said intake manifold of said internal combustion engine;wherein said high pressure exhaust valve opens while pressure in said first cylinder of said internal combustion engine that flows to said higher pressure exhaust gases in said high pressure exhaust port is greater than said predetermined pressure of said compressed air from said output of said high pressure compressor so that said second portion of said higher pressure exhaust gases recirculate through said internal combustion engine, and said low pressure exhaust valve opens after said high pressure exhaust valve and during an exhaust stroke of said first cylinder. 9. The exhaust gas recirculation system in a super-turbocharged internal combustion engine of claim 8, further comprising: a valve disposed in said first conduit that controls said amount of said second portion of said higher pressure exhaust gases with respect to said first portion of said higher pressure exhaust gases. 10. A system of facilitating exhaust gas recirculation in a super-turbocharged internal combustion engine comprising: a high pressure exhaust valve disposed in a first cylinder of said internal combustion engine, said high pressure exhaust valve having a first predetermined size, said high pressure exhaust valve controlling a flow of higher pressure exhaust gases in a high pressure exhaust port;a low pressure exhaust valve disposed in said first cylinder of said internal combustion engine, said low pressure exhaust valve having a second predetermined size that is greater than said first predetermined size, said low pressure exhaust valve controlling a flow of lower pressure exhaust gases in a low pressure exhaust port;a high pressure super-turbocharger having a high pressure compressor and a high pressure turbine that is driven by said higher pressure exhaust gases from said high pressure exhaust port;a low pressure super-turbocharger having a low pressure compressor and a low pressure turbine that is driven by said lower pressure exhaust gases from said low pressure exhaust port;a first conduit that provides compressed air from said low pressure compressor of said low pressure super-turbocharger to an air input of said high pressure compressor of said high pressure super-turbocharger;a second conduit that provides compressed air from an output of said high pressure compressor of said high pressure super-turbocharger, at a predetermined pressure, to an intake manifold of said internal combustion engine;a third conduit that provides said higher pressure exhaust gases from an output of said high pressure turbine of said high pressure super-turbocharger to said intake manifold of said internal combustion engine;wherein said high pressure exhaust valve is opened while a pressure in said first cylinder of said internal combustion engine that flows to said high pressure exhaust port is greater than said predetermined pressure so that said higher pressure exhaust gases from said output of said high pressure turbine of said high pressure super-turbocharger recirculate through said internal combustion engine, and said low pressure exhaust valve opens after said high pressure exhaust valve and during an exhaust stroke of said first cylinder. 11. The system of facilitating exhaust gas recirculation in a super-turbocharged internal combustion engine of claim 10, further comprising: a fourth conduit having a first restriction that provides a portion of said higher pressure exhaust gases exiting said high pressure turbine of said high pressure super-turbocharger to said lower pressure exhaust gases to assist in driving said low pressure super-turbocharger. 12. The system of facilitating exhaust gas recirculation in a super-turbocharged internal combustion engine of claim 11, wherein said first restriction comprises: a valve disposed in said fourth conduit that controls said portion of said higher pressure exhaust gases exiting from said high pressure turbine that is provided to said lower pressure exhaust gases. 13. The system of facilitating exhaust gas recirculation in a super-turbocharged internal combustion engine of claim 11, further comprising: a fifth conduit having a second restriction that supplies a portion of said higher pressure exhaust gases supplied by said high pressure exhaust port to said third conduit. 14. The system of facilitating exhaust in a super-turbocharged internal combustion engine of claim 10, wherein said second restriction comprises: a valve that controls said portion of said higher pressure exhaust gases supplied to said third conduit. 15. A system for facilitating exhaust gas recirculation in a super-turbocharged internal combustion engine comprising: a high pressure exhaust port of a first predetermined size in said internal combustion engine;a low pressure exhaust port of a second predetermined size in said internal combustion engine, said second predetermined size being larger than said first predetermined size;higher pressure exhaust gases provided from said high pressure exhaust port to an intake manifold of said internal combustion engine;lower pressure exhaust gases provided from said low pressure exhaust port;a low pressure super-turbocharger having a low pressure compressor and a low pressure turbine that is driven by said lower pressure exhaust gases from said low pressure exhaust port;compressed air provided from an output of said low pressure compressor of said low pressure super-turbocharger, at a predetermined pressure, to said intake manifold of said internal combustion engine;wherein said high pressure exhaust port is opened while a pressure in said internal combustion engine feeding exhaust to said high pressure exhaust port is greater than said predetermined pressure of said compressed air provided from an output of said low pressure compressor so that at least a portion of said higher pressure exhaust gases recirculate through said internal combustion engine. 16. The system for facilitating exhaust gas recirculation in a super-turbocharged internal combustion engine of claim 15, further comprising: a conduit that provides a portion of said higher pressure exhaust gases to said lower pressure exhaust gases to assist in driving said low pressure turbine. 17. The system for facilitating exhaust gas recirculation in a super-turbocharged internal combustion engine of claim 16, further comprising: a valve disposed in said conduit that controls said portion of said higher pressure exhaust gases that is provided to said lower pressure exhaust gases to assist in driving said low pressure turbine.
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