发明授权
- 专利标题： Method and device for determining one or more rotational speeds of a turbocharging device, in particular for an internal combustion engine
- 专利标题（中）： 用于确定涡轮增压装置，特别是内燃机的一个或多个转速的方法和装置
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申请号： US12782415申请日： 2010-05-18
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公开(公告)号： US08504321B2公开(公告)日： 2013-08-06
- 发明人: Juergen Seidel , Alex Grossmann , Bernhard Opitz , Dirk Hofmann , Jochen Laubender , Uwe Kassner , Dirk Eichel , Klaus Lerchenmueller , Juergen Wendt
- 申请人： Juergen Seidel , Alex Grossmann , Bernhard Opitz , Dirk Hofmann , Jochen Laubender , Uwe Kassner , Dirk Eichel , Klaus Lerchenmueller , Juergen Wendt
- 申请人地址： DE Stuttgart
- 专利权人： Robert Bosch GmbH
- 当前专利权人： Robert Bosch GmbH
- 当前专利权人地址： DE Stuttgart
- 代理机构： Kenyon & Kenyon LLP
- 优先权： DE102009003289 20090520; DE102009028576 20090817; DE102010003347 20100326
- 主分类号： G01P3/44
- IPC分类号： G01P3/44
摘要：
A method is described for determining information about a rotational speed of a compressor, in particular a turbocharger, by providing a measuring signal, in particular a microwave measuring signal, which is directed at a compressor impeller of the compressor, so that the measuring signal is reflected on revolving blades of the compressor impeller, detecting the measuring signal reflected by one or more blades, and determining the information about the rotational speed as a function of the reflected measuring signal.