U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"

The Quarterly Review ; March edition, 1825

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 137/315.17 - Assembling or disassembling rotary valve


Subclass of Class 137 - Fluid handling
Definition: Subject matter comprising flow regulating means wherein
No. of patents: 27
Last issue date: 04/01/2008


NumberTitleIssue Date
7350536Vacuumized receptacle for sample collection
A portable receptacle is vacuumized for use in taking an air or gas sample for subsequent examination to determine type, origin, components of the air or gas. Critical to a long shelf life of the vacuumized receptacle is a valve which virtually seals the receptacle ...
04/01/2008
7213589Compressed-gas gun
A compressed gas injection device includes a projectile course for receiving and accelerating projectile bodies, a compressed gas housing which is connected to the projectile course and which is divided up into a compressed gas chamber and a working chamber by a par...
05/08/2007
7174913Gas tap for a cooking appliance, with a cover for the rotary shaft
The manual gas tap for a cooking appliance is of the type with a conical plug (3) for regulating the outlet gas flow (G), accommodated in a central housing (2a) in the tap body, and has a rotary actuating shaft (4) coupled to the conical ...
02/13/2007
7000896Reversible ball valve handle
A valve having a valve body, a rotary valve member, a valve handle, and a selectively repositionable valve handle stop member. The valve body includes first and second openings into which the stop member may be installed. The openings are provided on opposite sides ...
02/21/2006
6935610Partial stroke valve test apparatus
A partial stroke valve testing apparatus is operably inserted between an emergency shutdown valve and a valve actuator, and comprises a drive cam attached to a drive shaft interconnecting the valve and actuator and an engagement cam attached to an engagement shaft w...
08/30/2005
6880802Valve device
A valve device having a novel vale seat plate is provided. The valve seat plate has an inlet opening, an outlet opening, a front side and a back side. A sealing case covers the front side and inlet and outlet pipes are attached to the back side to communicate respec...
04/19/2005
6769445Valve drive device
A gear meshing with a pinion controls the angle of rotation of a valve element which is brought into sliding contact with a valve seat, thereby controlling the opening and closing of a communicating hole of outflow pipe. During welding the valve seat plate and a hou...
08/03/2004
6748967Coupler for joining actuator and valve
Couplers for joining actuators to valves are configured to allow their affixment to different makes and models of actuators and valves, thereby allowing an off-the-shelf S coupling solution and avoiding the need to specially construct a coupler which is only adapted...
06/15/2004
6257271Servo operated valve with sonically welded housing and method of making same
An electric servo motor operated valve has a motor and gear reduction subassembly and a valve body subassembly with a cross-ported cylindrical rotary valve member with an arcuately shaped resilient face seal member for sealing about the cross port. The mo...
07/10/2001
6186164Rotary valve comprising a drawing device
A rotary valve includes a housing having a housing bore which can be laterally closed by bearing covers. Inside the housing, a cellular wheel is rotatably supported. A guiding device extends in an axial direction of the cellular wheel and serves for drawi...
02/13/2001
5941266Angle entry rotary valve
Straight line flow rotary valves with the valve member flow passage (21) turned away from the pipeline flow axis (22), to dispose the valve internals to an access port (50) located downstream on the same flow axis of the valve member (11). Another embodim...
08/24/1999
5531243Irrigation standpipe flow diverter and method for making same
A flow diverter 10 for mounting on the flange 53 of an irrigation standpipe valve 52 comprising a hollow cylindrical body 12, having a side opening 14, an anchor strap 16 formed integrally with the body 12 below the side opening 14, and a cap 18 mounted t...
07/02/1996
5499653Security devices for fluid flow lines
A security device, particularly for a motor vehicle, which is adapted to isolate the fuel supply from the engine of the vehicle is disclosed. The security device comprises a first body member locatable at one side of a vehicle floor and a second body memb...
03/19/1996
5476117Retrofit second packing chamber for quarter-turn valves
A retrofit second packing chamber for quarter-turn valves that permits existing valves to be modified so as to meet modern emission standards without requiring replacement of the valves, and which can be assembled to existing valves in a simple, efficient...
12/19/1995
5427134Rotary valve for hydraulic power steering
A rotary valve for hydraulic power steering of vehicles in which one or more slots in the sleeve of the valve are constructed to exit from the end of the sleeve to form, in an annular extension of the sleeve, a radially extending aperture the sides of whi...
06/27/1995
5423343Method and apparatus for making sewage pipe connections
In a sewage piping system that includes a new sewer main line that crosses existing lateral sewer lines, a rotary valve is installed at the intersection of the main line and each lateral line. Ditches containing the lines may be backfilled. Before complet...
06/13/1995
5385167Value testing device
A device for controlling the rotation of a valve and/or valve actuator, such device including a housing secured to said valve and actuator, hub member rotatably received by said housing, at least one stop member receiving device provided said housing, and...
01/31/1995
5329959Locking device
A device for controlling the rotation of a valve and/or valve actuator, such device including a housing secured to said valve and actuator, hub member rotatably received by said housing, at least one stop member receiving device provided said housing, and...
07/19/1994
5203370Mounting apparatus with fugitive emission collection means for directly coupling a rotary valve to an actuator having rotary drive means
An apparatus for mounting a rotary actuator, having a rotary drive bushing, to a valve stem of a rotary controlled valve having first and second primary seals and a fugitive fluid collection chamber therebetween. The apparatus includes a mounting member d...
04/20/1993
5014736Shut-off and control valve
A shut-off valve mechanism for a shut-off and control valve has a generally cylindrical housing with inner and outer annular shoulder against which a valve seat disk is placed to prevent distortion of the valve seat disk. The valve control disk is pressed...
05/14/1991
5002084Quick clean rotary valve
A rotary valve and associated method of cleaning, including a generally cylindrical housing (104) defining a central axis, and a rotatable shaft (106) mounted in a first end plate (130) of the housing for rotation by a drive system (108) operating adjacen...
03/26/1991
4830043Improvement in rotary valves
In a rotary valve assembly including a housing having a valve chamber and a removable cover member defining an end wall of the chamber, a drive shaft journaled in the housing and having an end portion projecting into the valve chamber and a rotary valve d...
05/16/1989
4813444Valve for spread set plumbing fixture and method of installation
A valve assembly is disclosed for use with a spread set plumbing fixture wherein a casing is to be secured to a mounting surface in a precise, predetermined spatial relationship to a handle....
03/21/1989
4723567Gas flow control valve
A compact gas flow control valve has a valve body having an inlet for receiving gas pressure, to provide gas at a substantially constant delivery pressure to be delivered by the gas flow control valve, and an outlet for delivery of the gas. Flow rate of t...
02/09/1988
4699357Reinforced industrial butterfly valve
A reinforced industrial butterfly valve incorporating a tubular housing, having a disc valve stem mounted for pivotal movement within the flow passage provided through the housing, a resilient seal provided around the interior periphery of the flow passag...
10/13/1987
4630629Valve with compressible valve stem and valve body seals
A valve is provided with improved bonnet-stem and bonnet-valve body seals. Both non-metallic seals may be simultaneously compressed by threading the bonnet to the valve body, with a valve stem seal sandwiched between the bonnet and an axially movale retai...
12/23/1986
4285500Stud block for an eccentric rotary valve
An eccentric rotary valve housing is provided which can be used in a flangeless construction or a flanged construction. In the flangeless construction, a stud block is recessed to pass around the offset neck portion and is of a size to resist bending and ...
08/25/1981
 
Sign InRegister
Username  
Password   
forgot password?