|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||60/608 ; 60/429 ; 417/286|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 14 인용 특허 : 5|
A control arrangement is provided for controlling the operation of an hydraulic assist turbocharger of the type including an hydraulic turbine driven by an hydraulic fluid under pressure to supplementally drive a turbocharger during engine operating conditions when supplemental air flow is required. The control arrangement includes a dual function control valve responsive to engine speed and load to regulate the supply of hydraulic fluid to the hydraulic turbine in accordance with engine air flow requirements.
In a turbocharged engine system including an hydraulic turbine assist turbocharger having an exhaust gas driven turbine for supplementally driving the compressor, a method of controlling the supply of hydraulic fluid to the hydraulic turbine for rotatably driving the hydraulic turbine, comprising the steps of: providing a plurality of hydraulic flow outputs from a plurality of pumping elements; and movably positioning a control valve in response to at least one engine operating parameter for coupling the flow outputs to the hydraulic turbine during one c...