| 摘要 |
A fluid valve particularly suited for controlling the flow of coolant in an automobile heater system and a vacuum responsive servo for actuating the valve. The valve, two embodiments of which are disclosed, has improved sealing means and the servo includes improved sealing of the diaphragm with respect to the servo actuating element and an improved two-piece servo housing. A novel connection between the servo and the valve is also provided, having reduced backlash and less tendency to bind.
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