Class 417/162 - Interrelated overflow and motive fluid valves

Subclass of Class 417 - Pumps
Definition: Apparatus having a valved waste passage to conduct pumped
No. of patents: 2
Last issue date: 10/18/2005

Number	Title	Issue Date
6955526	Vacuum generator with flow switching means for varying suction capacity through a plurality of nozzles The vacuum generator is capable of quickly and securely holding and releasing a work piece and capable of reducing amount of consuming compressed air. In the vacuum generator, a first nozzle and a second nozzle jet compressed air toward a diffuser nozzle. The second...	10/18/2005
4725201	Automatic starting system for hydrokinetic amplifier Automatic starting of a hydrokinetic amplifier 10 is accomplished by: an overflow pilot valve 32 responsive to output pressure for opening an overflow line 30 when output pressure drops below a predetermined level; and a start-up pilot valve 36 responsive...	02/16/1988

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