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Class 285/106 - Independent supply passage


Subclass of Class 285 - Pipe joints or couplings
Definition: Devices in which a passage is provided, in the pipe wall
No. of patents: 54
Last issue date: 06/08/2010


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NumberTitleIssue Date
7731240Pipe coupling
A pipe coupling for joining together the ends of two adjacent pipes includes a housing for receiving the ends of the two adjacent pipes, and a locking arrangement which includes an annular chamber, and a plurality of grippers radially moveable towards the central ax...
06/08/2010
7438325Rotating passage
A rotating passage feed system for admitting pressure means into two machine parts (hub part (2), shaft (3)) which rotate relative to one another about a common axis. Conduits (17) that convey the pressure means are located in the shaft (3
10/21/2008
7434843Hollow shaft fluid rotary joint
In the preferred embodiments, a hollow shaft rotary fluid joint assembly includes: (a) a hollow shaft through which electrical cables are passed; (b) a rotary fluid joint surrounding an outer diameter of the hollow shaft through which a fluid medium is passed, the r...
10/14/2008
7331581Inflatable packers
Improved inflatable packers are provided. A packer may be constructed from hybrid structures including slat structures and weave structures. A packer may include a bladder and a cover, with a plurality of slats disposed therebetween, and/or a weave structure or anti...
02/19/2008
7255372Device and method for connection with relative and controlled sealing between a pipe and a ceramic tube
Relative and controlled sealing between a pipe (1) and a ceramic tube (7) utilizes a cylindrical chamber (5) that is attached in a sealed manner to the pipe (1), and to one end of the ceramic tube that is placed inside the chamber. At lea...
08/14/2007
7195288Pipe coupling
The invention relates to a pipe coupling comprising a socket component and an insert component which is partially insertable to securely fit into the socket component. A ring groove between the socket component and the insert component is sealed by a ring seal. The ...
03/27/2007
7048309Pipe coupling
A coupling for attachment to the end portion of a pipe includes jaw members adapted to slide along an inner end taper in the coupling body so that linear movement of the jaw members toward the end of the inner end taper adjacent an end of the coupling body causes mo...
05/23/2006
7029037Apparatus for connecting and sealing duct sections
An apparatus (10) for connecting and sealing duct sections is adapted for connecting and sealing round ducts (100), round oval ducts (200), and other commonly used ducts. The apparatus includes first and second connectors. Each connector include...
04/18/2006
7004513Pipe coupling methods
A pipe coupling method includes an inlet insert, a clamping ring, a clamp and the forming of a flange on an end of two adjacent pipes. A clamping ring includes an inner groove sized to receive the flanges of the two adjacent pipes. A first end of the inlet insert is...
02/28/2006
6994117Piping elbow liners
Liners useful as piping elbow liners comprising a body liner, a tangential inlet liner, and a tangential outlet liner. The tangential inlet liner and the tangential outlet liner can be removably inserted into a cavity in the body liner. The body liner can comprise t...
02/07/2006
6974109Apparatus for sealing and restraining the flexible pressure boundary of an inflatable spacecraft
The present invention provides a sealing and restraint apparatus to establish a pressure boundary for inflatable or expandable spacecraft. The apparatus is capable of connecting the flexible pressure boundary of an inflatable spacecraft to the rigid structure of the...
12/13/2005
6962434Liner wear detection
Methods and apparatus for detecting wear in a liner. In one embodiment of the present invention, an electrically conductive wire is placed on or near the outside surface of the liner and the electrical resistance in the electrically conductive wire is measured to de...
11/08/2005
6929265Moisture seal for an F-Type connector
The invention provides a method for moisture sealing the interface between a nut on the leading end of a male F-Type connector and the threaded tubular shaft of the female F connector. The male connector is attached to a coaxial cable and the female is mounted to an...
08/16/2005
6722664Seal system for covers/flange couplings under high pressure
A high pressure seal consists of a minimal convex excess which induces a plastic-elastic deformation on the flat opposing surface. The excess can also be formed by means of a ring with a circular cross section which after tightening of the screw coupling likewise fo...
04/20/2004
6581976Swivel seal construction
A swivel (40) includes an outer (41) and inner annular wall (42). A toroidal chamber (44) is defined between the outer and inner walls and opposing peripheral faces of the walls define an upper (45) and lower gap (52) extending respectively upwardly and d...
06/24/2003
6499768Joint assembly for connecting two tubes
A joint assembly for connecting two ceramic material tubes has a cup-ball interface. One of the tubes has at a first end a cup shaped member, and the other tube has at a first end a ball shaped member adapted to be received in the cup shaped member. The b...
12/31/2002
6485062Multi-channel rotary joint
A multi-channel rotary joint comprising-elastic seal rings each having an annular groove that are used to form a low-pressure channel space and a high-pressure channel space between the opposing peripheral surfaces of a joint housing and a rotator that ro...
11/26/2002
6447018Boltless pipe connector
A connector for a plain end pipe comprising a housing (7) for location over the pipe, an annular recess (4) formed in an inner surface of the housing (7), a seal (1) located in the recess (4), a nipple (8) for the supply of grease under pressure, and segm...
09/10/2002
6412823Rotating connector with compensating unit
A rotating connector for the transfer of at least one pressurized process fluid, and comprising a central stem (2) on which there is placed a number of ring elements (3, 4) comprising at least one annulus element (3) for fluid transfer between an associat...
07/02/2002
6412821Device for the vacuum-tight connecting of two bodies of different materials
A device for connecting two bodies, especially a quartz body and a metallic body, which assures with few and simply formed components a high sealing ability at high temperature differences and at very low pressures and makes possible an easy assembly and ...
07/02/2002
6390478Sealing arrangement for a swivel
A sealing arrangement for a swivel (1) comprising inner and outer mutually rotatable swivel members (2, 3), wherein the swivel members have respective inner fluid paths communicating with each other through one or more associated annular spaces (7) at the...
05/21/2002
6123103Pressure balanced coupling with split body
A pressure balanced hydraulic coupling for use in undersea drilling and production operations is shown. The coupling has radial passages connecting between the male and female members such that fluid pressure is not exerted against the face of either memb...
09/26/2000
5788288Sealing arrangement
A dynamic sealing arrangement for connectors carrying high pressure fluids such as are used in the oil and gas industry for transferring production fluids from drilling installations to transport vessels. The sealing arrangement comprises a primary and a ...
08/04/1998
5746273Pitless well adapter
In a pitless well adapter, an adapter insert from which a flow pipe and pump depends, is normally vertically, slidably and removably held by wedge ribs in an adapter housing. The top surfaces of the adapter insert and adapter housing are similarly formed ...
05/05/1998
5702130Fluid flow connector
An evaporative cooling system externally mounted around an air cooled condenser to increase the rate of heat transfer. Spray cooling takes place in stages around succeeding portions of the condenser as determined by thermostats which respond to increasing...
12/30/1997
5653479Vacuum seal for a ball junction
A vacuum seal for a ball junction between a low pressure chemical vapor deposition (LPCVD) chamber and a vacuum system. In one implementation, the LPCVD chamber is a quartz tube used for deposition of certain chemicals onto and into semiconductor substrat...
08/05/1997
5411298High pressure seal arrangement
A fluid swivel is described, of the type that carries oil, water or natural gas at high pressure between an undersea well and a weathervaning ship, which has a seal device of increased lifetime. The seal device (56, FIG. 2 ) lies in a cavity of a first sw...
05/02/1995
5290072Quick-acting pipe connector assembly
A quick-acting pipe connector assembly used to join two pipes. The assembly includes a flange connected to the first pipe. The flange has an end face and a plurality of openings around the periphery of the end face. An end fitting is connected to the seco...
03/01/1994
5203374Pressure balanced hydraulic coupling with metal seals
A pressure-balanced hydraulic coupling for use in undersea drilling and production operations, the coupling having radial passageways communicating between the male and female members such that substantial fluid pressure is not exerted against the face of...
04/20/1993
5193850Pressure seal Z-fold with transfer tape
A business form, and intermediate for constructing the form, suitable for use as a packing list or invoice. A regular (bond) sheet of paper is constructed into three approximately equal size panels which are Z-folded about fold lines. The first face of th...
03/16/1993
5099882Pressure balanced hydraulic coupling with metal seals
A pressure-balanced hydraulic coupling for use in undersea drilling and production operations, the coupling having radial passageways communicating between the male and female members such that substantial fluid pressure is not exerted against the face of...
03/31/1992
5009455seal
A sealed joint between two relatively movable surfaces. There is a recess in a first surface and a sealing member is received in with a close fit in the recess. The sealing member has a modulus of elasticity such that it does not deform substantially unde...
04/23/1991
4850619Hose connecting system and method for providing the hoses with connections
An adhesive hose coupling which comprises an outer connecting element for fixing and enclosing the end of a hose to be coupled having a soul, an inner sleeve having peripheral openings in a smooth outer surface thereof and being attached from an end eleme...
07/25/1989
4848806Redundant seal for pressure vessels
A space vehicle booster has a lower section and an upper section forming a joint with a seal assembly enclosing a closed cavity. The seal assembly has an upper flange joined to the upper section, and has a lower flange joined to the lower section, and has...
07/18/1989
4819966Sealing means for a multipath, multipass swivel
A means of sealing a multipath, multipass swivel whereby that part of the structure housing the seal element deflects under pressure to compensate for the overall structural deflections, such that a constant seal gap is maintained. A means of lubricating ...
04/11/1989
4793768Seal and turbine mount
Vibration and shock isolation, as well as working fluid flow path sealing in a turbine-type power plant having a turbine housing 18 with a radially directed peripheral outlet 38 is achieved by locating the turbine housing 18 within a tubular housing 44 wi...
12/27/1988
4741561Remotely monitored seal in a connection joint
A engageable joint having male pipe end and a female pipe end. The male and female pipe ends are removably engaged with gaskets. The gaskets are inflatable and arranged in a plurality of stages in the axial direction to inflatably seal a clearance between...
05/03/1988
4688830Externally threaded quick connect coupling having integral fluid pressure assisted seal
A quick connect coupling (20) for fluid tight connection to a threaded fluid port (22). A body (26) of the quick connect coupling (20) having a cylindrical, externally threaded first end (28) defining an axially extending passage (29) into the coupling bo...
08/25/1987
4662657Flow system
A fluid swivel system of the type suitable for use with a single point mooring system and the like includes mandrel structure that defines a through flow path from a coupling to a port in an outer cylindrical interface surface, a port in the outer interfa...
05/05/1987
4647076High pressure fluid swivel
A fluid swivel is described, which is especially useful for carrying hydrocarbons at high pressures between stationary and rotating walls of a swivel. The swivel forms a fluid-carrying annular chamber and a pair of gap-like passages lying between the wall...
03/03/1987
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