Vacuum sewer system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO RE45688
SERIAL NO

13832914

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Abstract

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Disclosed is a sewer system including a sewage receptacle, sewer piping connected to the sewage receptacle by means of a discharge valve, a mechanism for generating vacuum in the sewer piping, and a control mechanism for controlling the discharge valve. In order to achieve a more rapid closing of the discharge valve after discharge of the sewage from the sewage receptacle, the vacuum sewer system further comprises an aeration device in direct fluid communication with the discharge valve. The control mechanism is arranged to control the aeration device. Also disclosed is a discharge valve (2) for such a vacuum sewer system.

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Patent Owner(s)

Patent OwnerAddress
NORDEA BANK ABSATAMARADANKATU 5 NORDEA 00020

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lappalainen, Vesa Vantaa, FI 9 38
Lindroos, Gunnar Helsinki, FI 10 101
Ronnblad, Kaj Vantaa, FI 2 14

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