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EP0093191A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Pressure control

Assignee: Balzers und Leybold Deutschland Holding AG
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Filing: 1982-05-21
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Granted: —
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Expires: 2002-05-21
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Abstract

Abstract The pressure control is designed to be arranged between a recipient and a vacuum pump and to maintain a constant pressure inside the recipient. A diaphragm (7) is accommodated in the pressure control housing (1); one side of the diaphragm is a reference pressure chamber (8); on the other side of the diaphragm are a first chamber (23), which is connected to the union (4) leading to the receptacle, and a second chamber (21) which is connected to the union (3) leading to the pump; the diaphragm (7) serves as control element for connecting or separating the two chambers (21, 23). <IMAGE>

Inventors

  • 👤 Gerd Dr. Koopmann
  • 👤 Hans Limp

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-08 22:49
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0638; G05D16/0641

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DD81252A Cited
DE8002889U1 Cited
DE1650285A1 Cited
GB1455218A Cited
CH592836A5 Cited
DE7822216U1 Cited

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