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Class 285/228 - Balanced


Subclass of Class 285 - Pipe joints or couplings
Definition: Devices in which the fluid pressure in one bellows member
No. of patents: 13
Last issue date: 09/02/2008


NumberTitleIssue Date
7418979Method and apparatus for preventing foam disbondment
The present invention relates generally to an apparatus and method for preventing disbondment in an insulated piping system that is used for conveying high temperature fluids. More specifically, an external slip wrap is shown, capable of surrounding the outer protec...
09/02/2008
7284771Exhaust gas bellows expansion joint
An exhaust gas bellows expansion joint for joining a first section and a second section of an exhaust pipe. The exhaust gas bellows expansion joint including a first corrugated pipe for conveying exhaust gas through the joint, a protective sleeve, which is inserted ...
10/23/2007
7143788High temperature line expansion installation with bellows
An flexible coupling is shown for an insulated piping system of the type used to convey steam and other high temperature fluids. The coupling uses a flexible bellows and additional insulating and joining components to couple conventional lengths of insulated pipe. T...
12/05/2006
7032621High temperature line expansion installation with release agent
A high temperature pre-insulated piping system is shown which can withstand conveyance temperatures in excess of 250° F. The piping system includes a first and second length of insulated and jacketed pipe. Each pipe length includes an inner metal pipe having an int...
04/25/2006
7026598Vector-based targeting control for a water cannon
A method for controlling the positioning of a stream of pressurized fluid against a surface zone of a stream generator to clean contaminants. The coordinates of a plurality of points of the surface zone to be cleaned are first determined. The coordinates are measure...
04/11/2006
6382682Extendable pipe joint
The present invention provides an extendable pipe joint wherein the cylindrical pipe joint comprises first and second external cylinders disconnectably connected to each other; a first pressure-balancing cylinder is set in the first external cylinder; a s...
05/07/2002
5791144Turbocharger pressure compensation system
A boosted charge air system which eliminates adverse effects of pressure loading on the system components incorporates a pressure compensator mounted intermediate a turbocharger compressor section outlet duct and the inlet duct of a charge air cooler. The...
08/11/1998
4932687Flexible fluid transfer fitting with zero reactive force
A fitting that is adapted for use between two adjacent frame members that are mechanically isolated from one another. The fitting has two flanged members one fixed to each frame member and a pressurized liquid coolant flow channel with a pair of bellows u...
06/12/1990
4687639Apparatus for accommodating temperature and pressure variations in tubular conduits
An improved universal expansion joint having counterthrust means for controlling pressure-induced expansion. Movable bellows means in the form of one or more expansible bellows or one or more contractile fluid power cylinders are disclosed for applying co...
08/18/1987
4635533Method and apparatus for accommodating temperature and pressure variations in tubular conduits
An improved universal expansion joint having counterthrust means for controlling pressure-induced expansion. Movable bellows means in the form of one or more expansible bellows or one or more contractile fluid power cylinders are disclosed for applying co...
01/13/1987
4487436Cardan-type pipe joint with compensation for longitudinal expansion
The cardan-type pipe joint possesses elements which allow two pipe sections to execute angular deflections and, in addition, to shift longitudinally....
12/11/1984
4265472Pipe elbow connection
The disclosure relates to the construction of large fluid conduits and particularly to steam conduits used in large power plants. In some power plants, steam is transferred from the exhaust of a higher pressure turbine section into the inlet of a lower pr...
05/05/1981
4239267Internal-bellows, pressure-balanced, angled-flowpath expansion joint
Disclosed is an expansion joint principally for use on pipelines carrying pressurized, hot (or cold) fluids such as steam. The joint is for use at a point in the line where a change in direction must be made by flowing fluid and/or pipeline. By the proper...
12/16/1980
 
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