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Class 137/311 - Rotary reversing valve


Subclass of Class 137 - Fluid handling
Definition: Reversing valves wherein the valve is mounted for rotating
No. of patents: 16
Last issue date: 06/22/2010


NumberTitleIssue Date
7740026Thermal storage type gas treating apparatus
A thermal storage type gas treating apparatus has a high sealing performance while achieving a simple apparatus construction. The thermal storage type gas treating apparatus includes a valve member rotatable to place successively a supply port for a gas to be treate...
06/22/2010
7325562Heated seal air for valve and regenerative thermal oxidizer containing same
Valve with heated sealing gas suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In a preferred embodiment, the valve util...
02/05/2008
7308904Electric gear motor drive for switching valve
Electric drive for a switching valve, the switching valve having such a drive, and a regenerative thermal oxidizer including the switching valve and drive system. The electric drive system allows for the starting and stopping of the rotation of a rotary valve with a...
12/18/2007
7152620Flow-reversing valve
A valve for switching fluid paths, particularly for pressure exchanger installations with tubular chambers through which fluid flows in an alternating manner, including a rotatable closing element (12, 13) provided with a motorized drive shaft (14) and...
12/26/2006
7117882Valve for changing the direction of flow of a fluid in pipe conduits
A valve and use of a valve. The valve changes the direction of flow of a fluid in pipings conducting the fluid to and from a heat exchanger. A cylindrical casing and a valve body enclosed therein can be rotated between two positions. The valve body has three flow pa...
10/10/2006
6978977Dual lift system
Valve and valve lift system suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In a preferred embodiment, the valve is sea...
12/27/2005
6899121Switching valve seal
Switching valve utilizing a rotatable seal suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. The valve has a seal plate t...
05/31/2005
6892750Switching valve
Switching valve and a regenerative thermal oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. The valve has a seal plate that defines two chambers, each chamber being a flow port ...
05/17/2005
6783111Dual lift system
Valve and valve lift system suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In a preferred embodiment, the valve is sea...
08/31/2004
6749815Switching valve seal
Switching valve utilizing a rotatable seal suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. The valve has a seal plate t...
06/15/2004
6298877Distributing valve device for heat accumulation type combustion system
A distributing valve device for a heat accumulation type combustion system comprising a stationary valve mounted on an underside of a housing having six or more passages defined by partition walls provided therein at predetermined intervals, and having he...
10/09/2001
6261092Switching valve
Switching valve and a regenerative thermal oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. The valve has a seal plate that defines two chambers, each chamber being a...
07/17/2001
5997277Method and a device for recovery of energy from media containing combustible substances even at low concentration
This invention relates to a method and device for recovery of energy from a medium containing combustible substances even at low concentrations. The method is characterized by raising the temperature of the medium in a regenerative combustor such as a rev...
12/07/1999
5983986Regenerative bed heat exchanger and valve therefor
The invention provides a forced air furnace integrated with a ventilator having a pair of regenerative bed heat exchangers. The heat exchangers alternate between heat recovery and heat release modes such that when one heat exchanger is in the heat release...
11/16/1999
4688626Ventilator unit
A ventilator unit (1) intended for installation in the outside wall of a room such that used air (A) from the room is vented to the outside atmosphere through the outside wall while fresh air (B) is introduced from the outside and supplied to the unit (1)...
08/25/1987
4126419Combustion device for burning waste gases containing combustible and noxious matters
A combustion device comprising a plurality of regenerative units formed by a plurality of separate radially extending compartments each containing a plurality of corrugated highly conductive metal plates compressed together with the corrugations in the ad...
11/21/1978
 
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