发明名称 |
AUDIBLE INDICATOR FOR SOLENOID VALVE |
摘要 |
A solenoid valve device having means for providing a signal when the solenoid is energized in the absence of fluid pressure at the inlet of the valve. The signal may comprise an audible sound and more specifically may comprise a tone having a frequency controlled by the frequency of the alternating current applied to the solenoid coil.
|
申请公布号 |
US3665960(A) |
申请公布日期 |
1972.05.30 |
申请号 |
USD3665960 |
申请日期 |
1970.09.11 |
申请人 |
WHIRLPOOL CORP. |
发明人 |
FRANK R. SKINNER;ROBERT T. WIGFALL |
分类号 |
F16K31/40;F16K37/00;(IPC1-7):F16K37/00 |
主分类号 |
F16K31/40 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|