发明名称 |
Marine instrument |
摘要 |
A through-hull speed sensor of the magnetized paddlewheel sensor type wherein a paddlewheel is rotatably supported in a cavity adjacent a magnetic sensing device which generates electrical pulses corresponding to paddlewheel speed as the wheel rotates when the vessel moves through water. The sensor has improved linearity provided by a flow channel recessed in a downstream surface of a sensor mounting member. The recessed flow channel raises the trailing edge above the leading edge, thereby reducing pressure on a back wall of the cavity where the pressure is due to fluid flow through the paddlewheel.
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申请公布号 |
US5581025(A) |
申请公布日期 |
1996.12.03 |
申请号 |
US19960599751 |
申请日期 |
1996.02.12 |
申请人 |
AIRMAR TECHNOLOGY CORP. |
发明人 |
BOUCHER, STEPHEN G.;LAGACE, MAURICE |
分类号 |
G01P5/07;(IPC1-7):G01C21/00 |
主分类号 |
G01P5/07 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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