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Resonant piston compressor having improved stroke control for load-following electric heat pumps and the like

  • US 4,353,220 A
  • Filed: 06/17/1980
  • Issued: 10/12/1982
  • Est. Priority Date: 06/17/1980
  • Status: Expired due to Term
First Claim
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1. In a resonant piston apparatus wherein a movable mass is arranged with gas spring means and an oscillating driving means to form a dynamic ocillating system, the combination with such apparatus comprising:

  • dynamically variable gas spring control valve means communicating with said gas spring means for regulating the pressure of the gas in said gas spring means, and control means for dynamically variably controlling the opening and closing of said gas spring control valve means during operation of the oscillating system to thereby maintain the operation of said oscillating system within predetermined stroke limits and to dynamically variably modulate the stroke of the oscillating system to meet load demands.

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