| 发明名称 | System and method for estimating turbocharger operating speed | ||
| 摘要 | A system and method are provided for estimating the operating speed of a turbocharger. A first pressure value corresponds to pressure at or near the air inlet of the compressor, and a second pressure value corresponds to pressure at or near the air outlet of the compressor. A temperature value corresponds to a temperature at or near the air inlet of the compressor, and a flow rate value corresponds to a flow rate of air entering the air inlet of the compressor. The operating speed of the turbocharger is estimated as a function of the first pressure value, the second pressure value, the temperature value and the flow rate value. | ||
| 申请公布号 | US8892332(B2) | 申请公布日期 | 2014.11.18 |
| 申请号 | US201113244540 | 申请日期 | 2011.09.25 |
| 申请人 | Cummins, Inc. | 发明人 | Chi John N.;Mulloy John M.;Popuri Sriram S. |
| 分类号 | F02D28/00;G06F19/00;F02D23/00;F02B29/04 | 主分类号 | F02D28/00 |
| 代理机构 | Faegre Baker Daniels LLP | 代理人 | Faegre Baker Daniels LLP |
| 主权项 | 1. A system for estimating an operating speed of a turbocharger including a compressor having an air inlet and an air outlet, the system comprising: a first pressure sensor configured to produce a first pressure signal indicative of pressure at or near the air inlet of the compressor, a second pressure sensor configured to produce a second pressure signal indicative of pressure at or near the air outlet of the compressor, a temperature sensor configured to produce a temperature signal indicative of temperature at or near the air inlet of the compressor, a flow sensor configured to produce a flow signal indicative of a flow rate of air into the air inlet of the compressor, and a control circuit including a memory having instructions stored therein that are executable by the control circuit to estimate the operating speed of the turbocharger as a function of the first and second pressure signals, the temperature signal and the flow signal. | ||
| 地址 | Columbus IN US | ||