Aquarium surface water extraction equipment - has self-regulating hydrostatic valve below stand-pipe outlet and preferably detachable

Aquarium surface water extraction equipment - has self-regulating hydrostatic valve below stand-pipe outlet and preferably detachable

The equipment extracts surface water from an aquarium, having a standpipe with a water inlet at the top and an outlet below it connected by a pipe to a suction filter. Below the outlet (15) is a self-regulating hydrostatic valve (16), pref. detachable from the standpipe (12). The valve can have two...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: WIEDENMANN,WALTER
Format: Patent
Sprache:eng ; ger
Schlagworte:
AGRICULTURE
ANIMAL HUSBANDRY
CARE OF BIRDS, FISHES, INSECTS
FISHING
FORESTRY
HUMAN NECESSITIES
HUNTING
NEW BREEDS OF ANIMALS
REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR
TRAPPING
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Beschreibung
Zusammenfassung:The equipment extracts surface water from an aquarium, having a standpipe with a water inlet at the top and an outlet below it connected by a pipe to a suction filter. Below the outlet (15) is a self-regulating hydrostatic valve (16), pref. detachable from the standpipe (12). The valve can have two chambers (17,20) open to the water basin and the standpipe, and connected together via a valve opening (21) controlled by a plug (22). Buoyancy forces in the first chamber thrust the plug upwards (24), while its weight and the hydrostatic pressure inside the standpipe thrust it downwards (26).