Clamp for regulating fluid flow through deformable tubing

Tubing (20) through which fluid flow is to be regulated is placed in a regulating clamp wherein it is clamped between a roller wheel (16) and a surface (18) which is substantially parallel to the travel of the wheel (16). The surface (18) has a variable cross-sectional area channel (22). Flow rate t...

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Bibliographische Detailangaben
1. Verfasser:	MARVIN ADELBERG
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HUMAN NECESSITIES HYGIENE LIGHTING MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	Tubing (20) through which fluid flow is to be regulated is placed in a regulating clamp wherein it is clamped between a roller wheel (16) and a surface (18) which is substantially parallel to the travel of the wheel (16). The surface (18) has a variable cross-sectional area channel (22). Flow rate through the tubing (20) is changed by longitudinal adjustment of the position of the roller wheel (16). This varies the ratio between the portion of the tubing (20) which is clamped shut to that which is exposed to the channel (22) and consequently not clamped. A plurality of raised elements (25) are formed in the surface (18) and act to locally pinch or grip the tubing (20) at discrete intervals, thereby both improving the grip and lessening the creep of the tubing (20). The raised element (25a) which is most remote from the channel (22) is substantially higher than the raised element (25b) closer to the channel (22) to provide a more constant flow rate, especially with thicker and harder walled tubing.