| 发明名称 |
Flow sensor and defrost system including same |
| 摘要 |
A sensor for detecting changes in the rate of flow of a gaseous stream by sensing changes of temperature up and down stream of a single heat source. The invention finds application as a frost sensor for use in a defrost system.
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| 申请公布号 |
US4248052(A) |
申请公布日期 |
1981.02.03 |
| 申请号 |
US19780957590 |
申请日期 |
1978.11.03 |
| 申请人 |
ROBERTSHAW CONTROLS COMPANY |
发明人 |
BECHTEL, JON H. |
| 分类号 |
F25D21/02;G08B19/02;(IPC1-7):F25D21/02 |
主分类号 |
F25D21/02 |
| 代理机构 |
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