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Class 137/637.3 - Rotary


Subclass of Class 137 - Fluid handling
Definition: Subject matter in which at least one of the coaxial stem
No. of patents: 50
Last issue date: 02/19/2008


1    
NumberTitleIssue Date
7331851Motor vehicle air-conditioning system
A motor vehicle air-conditioning system (1), including a plurality of air ducts (7′, 7″) having a flap for controlling the air flow therein. A single flap (6) is provided for controlling at least two air ducts (7′, 7″) which serve...
02/19/2008
7316384Electric control valve
The electric control valve, in which a throttled flow rate is quantitatively determined by the groove 16 by a rotating position of the valve body 20, the valve seat surface projects like a band from a border band 16C drawing an outline of the gr...
01/08/2008
7302969Valve device for use with fuel cells
A first valve body is disposed in a first opening defined in a valve housing, and a second valve body is disposed in a second opening defined in the valve housing. The first valve body is fastened to a first shaft by screws, and the second valve body is fastened to ...
12/04/2007
7267139Valve device
The invention relates to a valve device comprising a valve housing (2) with a first and a second flow channel (3a, 3b), and a first and second damper shaft (8a, 8b), which are rotatable relative to the v...
09/11/2007
7213644Cavity positioning tool and method
In accordance with the teachings of the present invention, a method is provided for preventing formation of sludge in a subsurface cavity having particulate laden fluid disposed therein. The method includes positioning a downhole device having a fluid agitator into ...
05/08/2007
7207390Method and system for lining multilateral wells
In accordance with one embodiment of the present invention, a method for lining a lateral wellbore includes drilling a main wellbore extending from a surface to a subterranean zone, casing the main wellbore with a main casing having a plurality of lateral wellbore w...
04/24/2007
7207395Method and system for testing a partially formed hydrocarbon well for evaluation and well planning refinement
A method and system for testing a partially formed well includes forming a first well bore intersecting a subterranean formation. The first well bore includes a portion of a planned well having a first configuration. A production characteristic of the subterranean f...
04/24/2007
7174916Flow and temperature separation control valve
A flow and temperature separation control valve includes a valve housing for connecting to a water faucet, a temperature control module received in the valve housing for controlling the temperature of the outputted water flow, and a flow control module received in t...
02/13/2007
7163063Method and system for extraction of resources from a subterranean well bore
A method for stimulating production of resources from a coal seam includes forming a drainage well bore in the coal bed that has a first end coupled to a ground surface and a second end in the coal seam. The method further includes inserting a liner into the well bo...
01/16/2007
7143786Two-handle flow-through valve
A flow-through valve is provided and includes a housing connecting first and second ends to allow fluid flow from the first end to the second end. The first end includes first and second inlet ports, while the second end portion includes an outlet port. The flow-thr...
12/05/2006
7140392Valve device
The invention relates to a valve device comprising a valve housing (2) with a first and a second flow channel (3a, 3b) and a first and second damper shaft (8a, 8b) that is rotatable relative to the valve...
11/28/2006
7107970Fuel vapor purge control assembly and methods of assembling and controlling same
A fuel vapor purge control assembly includes an intake passage, a vapor purge passage in fluid communication with the intake passage, a port between and in fluid communication with the intake passage and the vapor purge passage; a closing member movably mounted in t...
09/19/2006
7100687Multi-purpose well bores and method for accessing a subterranean zone from the surface
A well system includes at least two well bores extending from a surface to a subterranean zone. Each of the two well bores is used to form a well bore pattern for the subterranean zone that intersects the other well bore and transports fluid from the subterranean zo...
09/05/2006
7089960Ball valve
The present invention is a ball valve which may be attached to a fluid pipe for connection/disconnection between an entrance and an exit. More particularly, the present invention is a ball valve having a discharge orifice communicating with ambient air in addition t...
08/15/2006
7073595Method and system for controlling pressure in a dual well system
A method for controlling pressure of a dual well system includes drilling a substantially vertical well bore from a surface to a subterranean zone and drilling an articulated well bore from the surface to the subterranean zone using a drill string. The articulated w...
07/11/2006
7048049Slant entry well system and method
A system for accessing a subterranean zone from the surface includes an entry well bore extending down from the surface. A plurality of slanted well bores extend from the entry well bore to the subterranean zone. Drainage patterns extend from the slanted well bores ...
05/23/2006
7036584Method and system for accessing a subterranean zone from a limited surface area
A method and system for accessing subterranean resources from a limited surface area includes a first well bore extending from the surface to the target zone. The first well bore includes an angled portion disposed between the target zone and the surface to provide ...
05/02/2006
7025328Damper actuator system
A damper actuator includes a housing and a hub extending through and rotatably coupled to the housing. The actuator is configured to be a side-mount direct coupled actuator. In one embodiment, an external clamp is coupled to the housing and is configured to be attac...
04/11/2006
7025137Three-dimensional well system for accessing subterranean zones
A drainage system for accessing multiple subterranean zones from the surface includes an entry well extending from the surface. The system also includes two or more exterior drainage wells extending from the entry well through the subterranean zones. The exterior dr...
04/11/2006
7025154Method and system for circulating fluid in a well system
A method for circulating drilling fluid in a well system includes drilling a substantially vertical well bore from a surface to a subterranean zone and drilling an articulated well bore from the surface to the subterranean zone. The articulated well bore is horizont...
04/11/2006
7004453Pendulum valve with a full range of position control
Embodiments of the present invention provide a pendulum valve with a full range of normal position control. The pendulum valve can include a valve housing having a flow channel, and a valve body that is movable within the valve housing between a fully open position ...
02/28/2006
6976533Method and system for accessing subterranean deposits from the surface
Improved An improved method and system for accessing subterranean deposits from the surface that substantially eliminates or reduces the disadvantages and problems associated with previous systems and methods. In particular, the present invention provides an articul...
12/20/2005
6964308Method of drilling lateral wellbores from a slant well without utilizing a whipstock
In accordance with one embodiment of the present invention, a method for drilling a lateral wellbore from a slant well includes drilling the slant well below the surface of the earth such that the slant well is angled toward a first horizontal direction that coincid...
11/15/2005
6964298Method and system for accessing subterranean deposits from the surface
An improved method and system for accessing subterranean deposits from the surface substantially eliminates or reduces the disadvantages and problems associated with previous systems and methods. In particular, the present invention provides an articulated well with...
11/15/2005
6942030Three-dimensional well system for accessing subterranean zones
A method for accessing a plurality of subterranean zones from the surface includes forming an entry well from the surface and forming two or more exterior drainage wells from the entry well through the subterranean zones. The exterior drainage wells each extend outw...
09/13/2005
6640357Back-to-back faucet valve structures
A water faucet structure includes a first valve seat mounted in one side of a wall, a first ceramic control valve fastened to the first valve seat, a second valve seat mounted in other side of the wall in a back-to-back manner in relation to the first val...
11/04/2003
6484755Blend door actuation for dual zone
A vehicle air conditioning apparatus having two pair of rotatable flow control doors for separately controlling and varying the temperature and flow of air supplied to two different zones of the vehicle interior. Each pair of flow control doors are linked...
11/26/2002
6257279Plural function fluid valve and method
A plural function, three member, fluid valve includes a stationary base member which provides plural fluid ports connected to apparatus requiring or providing fluid control, a first movable member containing conduits which are selectively movable into ali...
07/10/2001
6223774Redundant regulation valve
The redundant regulation valve for controlling fluid flow comprises a valve body defining a passage for the flow of the fluid, a main throttle element movable by means of a main control device to selectively obstruct the passage, and a redundant throttle ...
05/01/2001
5845674Flow- and temperature-control valve
A temperature- and flow-control valve has a housing defining a mixing chamber and having at least one outlet extending from the mixing chamber and a pair of inlets. A valve cartridge in the housing connected to the inlets opens into the mixing chamber and...
12/08/1998
5794647Valve system
A valve system for use in batch processing, particularly for preventing exposure of material to the environment during transfer from one container to another. The system in effect comprises two butterfly valve discs (5, 6; 105, 106), one (5; 105) on a con...
08/18/1998
5779535Heating and/or air-conditioning system for a motor vehicle
Heating and/or air-conditioning system for a motor vehicle which has at least two air flaps mounted along a common pivot axis in a housing. For independent control of the air flaps, transmission elements located coaxially with respect to the pivot axis ar...
07/14/1998
5647399Flow control device
A flow control device including first and second flow control members, first and second actuators, and first and second transmission devices wherein both flow control members are adapted for rotation about a common axis. The first flow control member has ...
07/15/1997
5285536Wave generating system
A wave generating system for a wave pool utilizing a rotary valve to control the pneumatic flow to the wave generator. A rotary sleeve valve particularly adapted to high volumetric, relatively low pressure applications wherein a plurality of concentric sl...
02/15/1994
5255706High-pressure ball valve with internal pressure equalization
A fluid control valve includes a valve body having an inlet and an outlet and a control member in the valve body externally operable by a movable operating member. The control member is pivotable between open and closed positions for selectably controllin...
10/26/1993
5247964Valve with redundancy on closing
A valve with redundancy on closing comprises a single valve body, first and second substantially hemispherical hollow valve members disposed inside said valve body, each including an orifice allowing fluid to pass therethrough, independent first and secon...
09/28/1993
5168900Compressor double plate inlet valve
A valve device includes a valve body having an inlet bore formed therein, the valve bore having a bore axis. A first semi-circular plate having a first axis is disposed within said inlet bore. Rotation of the first semi-circular plate about the first axis...
12/08/1992
5129576Thermostatic pressure balanced valve assembly
A mixing valve includes the volume control valve, a pressure proportioning valve, and a thermostatic valve assembly within a single modular housing. The housing is rotatably mounted in a valve body. The housing houses the proportioning valve and the therm...
07/14/1992
5036816Load adjustment device
In a throttle-valve connection (1), two intake channels (2, 3) are provided alongside of each other, each having a throttle valve (4, 5). The two throttle valve (4, 5) are driven by separate setting motors (17, 18). The setting shaft (6, 7) of the throttl...
08/06/1991
4981156Temperature and volume control valve assembly
A mixing valve (10) has a modular cartridge (60) rotatably mounted in housin (12). The cartridge has a bottom volume control valve plate (58) attached to a lower section (62) housing a pressure balance valve (80). The lower section (62) is secured to an u...
01/01/1991
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