Abrégé

A riser section having a generally tapered, e.g., frustoconical wall, the riser section having a first connector assembly at one end of the riser section and a second connector assembly at the other end of the riser section.

Classes IPC  ?

• E02D 29/12 - Trous d'hommeAutres chambres d'inspection ou d'accèsAccessoires à cet effet
• E03F 5/02 - Regards ou autres chambres de visiteOuvertures à neigeAccessoires
• E03F 5/18 - Réservoirs pour la désinfection, la neutralisation ou le refroidissement des eaux d'égout
• B65D 90/10 - Trous d'hommeOuvertures de visiteCouvercles à cet effet

Abrégé

A riser section having a generally tapered, e.g., frustoconical wall, the riser section having a first connector assembly at one end of the riser section and a second connector assembly at the other end of the riser section.

Classes IPC  ?

• E02D 29/12 - Trous d'hommeAutres chambres d'inspection ou d'accèsAccessoires à cet effet
• E03F 5/02 - Regards ou autres chambres de visiteOuvertures à neigeAccessoires
• B65D 90/10 - Trous d'hommeOuvertures de visiteCouvercles à cet effet

Abrégé

An apparatus for disinfecting flowing wastewater in a conduit with a liquid disinfectant from a reservoir of liquid disinfectant. A valve assembly is operatively connected to the liquid disinfectant source for selectively dispensing liquid disinfectant from the source. The valve has a movable valve element normally biased to the closed position. There is an actuator connected to the movable valve element which is responsive to at least one of flow or level of wastewater in the conduit to overcome the biasing force and allow the valve member to move the valve from the normally closed position to an open position.

Classes IPC  ?

• C02F 1/00 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout
• C02F 3/02 - Procédés aérobies
• C02F 3/28 - Procédés de digestion anaérobies
• C02F 1/50 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition ou emploi d'un germicide, ou par traitement oligodynamique
• F16K 31/22 - Moyens de fonctionnementDispositifs de retour à la position de repos actionnés par un fluide et actionnés par un flotteur commandant une soupape de levage le flotteur étant rigidement lié à la soupape
• C02F 103/00 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter

Abrégé

An aeration vessel for use in a aerobic wastewater treatment system, the aeration vessel comprised of a bottom section having a bottom wall and an inverted frustoconical side wall, a top section having a frustoconical side wall and a partition having an inverted frustoconical side wall, the top and bottom sections being provided with mating flanges which can be sealingly engaged, the partition being disposed in the aeration vessel formed by the first and second section.

Classes IPC  ?

• C02F 3/00 - Traitement biologique de l'eau, des eaux résiduaires ou des eaux d'égout

Abrégé

An aerator assembly for use in the aeration vessel of a wastewater treatment system comprising a rigid tubular member having an upper end and a lower end, and a diffuser assembly, the diffuser assembly comprising a flexible connector and a diffuser head, the flexible connector connecting the diffuser head to the lower end of the rigid tubular member and providing a fluid flow path between the tubular member and the diffuser head, the upper end of the rigid tubular member being adapted to be connected to a source of an oxygen-containing gas such as air.

Classes IPC  ?

• C02F 3/18 - Procédés par les boues activées avec une aération en surface l'aérateur ayant un axe horizontal
• B01F 3/04 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de gaz ou de vapeurs avec des liquides

Abrégé

A vessel assembly for use in a wastewater treatment system having a first vessel, a second vessel, a first gusset assembly attached to and connecting the first and second vessels and a second gusset assembly attached to and connecting the vessels, at least one of the gusset assemblies provides an upwardly facing surface or pocket for holding fill materials such as dirt or gravel to counter buoyancy acting on the vessel assembly.

Classes IPC  ?

• C02F 3/00 - Traitement biologique de l'eau, des eaux résiduaires ou des eaux d'égout

Abrégé

An aeration vessel for use in a aerobic wastewater treatment system, the aeration vessel comprised of a bottom section having a bottom wall and an inverted frustoconical side wall, a top section having a frustoconical side wall and a partition having an inverted frustoconical side wall, the top and bottom sections being provided with mating flanges which can be sealingly engaged, the partition being disposed in the aeration vessel formed by the first and second section.

Classes IPC  ?

• C02F 3/00 - Traitement biologique de l'eau, des eaux résiduaires ou des eaux d'égout

Abrégé

An aerobic wastewater treatment plant having a peripheral wall, at least three compartments being formed within the peripheral wall in conjunction with bottom wall, the peripheral wall having first and second end walls which are radiused and having at least portions thereof which have the same radius and the first and second side wall, the side wall and end walls being shaped and adjoined to each other so as to form a smooth contour on the outer surface of the peripheral wall, the peripheral wall preferably having an oval-like configuration when viewed in top plan view.

Classes IPC  ?

• C02F 3/00 - Traitement biologique de l'eau, des eaux résiduaires ou des eaux d'égout