Class 285/904 - CRYOGENIC

Subclass of Class 285 - Pipe joints or couplings
Definition: Art collection drawn to cryogenics.
No. of patents: 71
Last issue date: 07/15/2008

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Number	Title	Issue Date
7399002	Cryogenic seal for vacuum-insulated pipe expansion bellows A cryogenic seal for vacuum-insulated pipe systems where the pipe system includes an inner pipe connected to an outer pipe by a bellows. The seal prevents cryogenic liquid from leaking from the inner pipe into the annular vacuum space between the inner and outer pip...	07/15/2008
7338091	Swivel joint system A swivel joint system for a cryogenic liquid transfer line, such as a liquefied natural gas line, and for return of cold gas associated with the cryogenic liquid transfer. The system includes a swivel joint for the passage of the cryogenic liquid and a swivel joint ...	03/04/2008
7325840	Arrangement for connecting a fiber-reinforced plastic pipe to a stainless steel flange Arrangement for connecting a fiber-reinforced plastic pipe (18) to a stainless steel flange (12, 16), in which the end of the fiber-reinforced plastic pipe (18) is accommodated in a ring-shaped groove (12a, 16a) in th...	02/05/2008
7219694	Pipe connector for cryogenic use A connector for piping destined to the transfer of fluid at very low temperature, in particular liquefied natural gas is described. The coupling comprises a first and a second length of piping (8, 9) that are provided with respective closing valves (20, 27...	05/22/2007
7137651	Fluid piping systems and pipe spools suitable for sub sea use A fluid piping system and pipe spools are provided. The fluid piping system has at least one pipe spool. The pipe spool has an inner wall and an outer wall with at insulating area defined at least in part by the inner and outer wall. The insulating area of the pipe ...	11/21/2006
7052047	Detachable high-pressure flow path coupler A coupler for making a detachable bayonet connection between two sections of a flow path. The coupler includes male and female bayonet hub members that detachably connect the flow path sections. In one aspect of the invention, the coupler includes an internal vapor ...	05/30/2006
6921564	Insulation module, system and method for installation and manufacture A pre-formed insulation module is disclosed having a part cylinder body. The body includes an unstriated insulation layer formed of a rigid insulating material substantially uniform in composition and density over its cross section. The insulation layer has an inner...	07/26/2005
6695358	Controlled leak cryogenic bayonet pipe spool and system A cryogenic fluid piping system is provided with two or more coupled pipe spools, each spool having an inner and outer pipe, the inner for carrying cryogenic fluid. The pipe spools are also configured with a bayonet connection to allow expansion and contr...	02/24/2004
6641174	Safety device for connecting cryogenic fluid piping and cryogenic fluid container comprising at least one piping provided with such a safety device A device for connecting cryogenic fluid containers includes a connection having screw-threaded connection portions and a flange having at least one pair of openings spaced by a predetermined distance. The device also includes a retaining strap of L shape ...	11/04/2003
6623043	Fluid transfer boom with coaxial fluid ducts The invention relates to a storage structure having a fluid transfer boom for transfer of cryogenic liquids such as liquified natural gas (LNG) from a first storage structure to a vessel. The boom has two arms which are rotatably connected at their first ...	09/23/2003
6581975	Insulated ball joint System for loading and unloading of cold media, for example LNG or LPG, to or from a vessel, through pipes (1) connected with ball joints, where the pipes are insulated, and when each ball joint's inside part (4) has an inside pipe (3) which is sealed aga...	06/24/2003
6513837	Device for coupling pipelines for running cryogenic liquid A device for coupling pipelines for running cryogenic liquid has: a pair of flanges which are pierced by coupling units respectively and which support the coupling units with the coupling units freely approaching and separating from each other and which f...	02/04/2003
6183019	Cryogenic fluid conduit coupling device A coupling device can connect two cryogenic fluid conduits in fluid communication without creating a temperature change. The coupling device includes a fluid flow path extending therethrough having a substantially constant cross-sectional area. The coupli...	02/06/2001
6145322	Cryogenic coupler A cryogenic coupler includes a socket and a plug that can be detachably inserted into the socket. The socket and the plug have passages for passing a cryogenic medium therethrough, and are provided with valves for blocking the respective passages when the...	11/14/2000
6134893	Swivel bayonet joint for cryogenic fluids A method and system for dispensing cryogenic fluids, such as liquified natural gas (LNG), using a swivel bayonet joint interconnecting first and second sections of cryogenic pipe. The swivel bayonet joint includes a male bayonet joint and a corresponding ...	10/24/2000
6131955	Expansion joint with thermal transition connector A modified expansion joint to provide a transition from one conduit to an adjacent conduit. The expansion joint includes a flexible coupling member and an angled transition leg having insulation on both sides thereof. The flexible coupling member takes up...	10/17/2000
5853198	Thermal attachment device A mechanical coupling device for selectively connecting and disconnecting an apparatus to a thermal source. The coupling device includes a thermal bridge element comprised of a flexible structure having a first coefficient of thermal expansion, and a ther...	12/29/1998
5829791	Insulated double bayonet coupler for fluid recirculation apparatus An insulated dual-bayonet connector is provided. The connector provides simple alignment and connection for both fluid tubes of a fluid recirculation system. The connector is especially useful for closed-cycle systems, but is also useful for open-cycle ga...	11/03/1998
5762381	Connecting apparatus for conveyance of cryogenic fluid A connecting apparatus for conveyance of cryogenic fluid has a pair of connecting members formed of thermal insulating material. Each has a flange with an axial tubular protrusion and a rim extending over the protrusion so as to form an annular cavity the...	06/09/1998
5716082	Fluid conveying device with removable connection A cryogenic fluid conveying device has removable connection of a metal tube and a receptor for the tube. The receptor is formed of a housing member with an aperture therein for conveying the fluid. A tubular member of resilient PTFE has a bore size so as ...	02/10/1998
5620187	Contracting/expanding self-sealing cryogenic tube seals Contracting/expanding self-sealing cryogenic tube seals are disclosed which use the different properties of thermal contraction and expansion of selected dissimilar materials in accord with certain design criteria to yield self-tightening seals via sloped...	04/15/1997
5564753	Cryogenic fluid manifold A double walled manifold assembly for a cryogenic fluid, such as liquid oxygen, is assembled as alternating bellows portions and tee portions. The inner bellows portions have a greater axial length than the outer bellows portions to enable welding of an i...	10/15/1996
5429155	Cryogenic fluid coupling A fluid coupling (30) has a male half (32) and a female half (31). Each half has a poppet (35,42) arranged to move toward and way from a seat (34,43). The male half (32) has an outer sleeve (38) which is adapted to guide initial joinder of the female half...	07/04/1995
5363879	Cryogenic coupling The present invention is directed to a coupling assembly for dispensing cryogenic fluids, The coupling assembly includes an upstream terminus coupled to a source of cryogenic fluid and a downstream terminus connected to a container for receiving the cryog...	11/15/1994
5253675	Apparatus for connecting double vacuum pipes for conducting cryogenic fluid An apparatus for connecting two double vacuum pipes for conducting cryogenic fluid consists of a tubular connecting mechanism connected to the outer tube of a double vacuum pipe by a tubular member, a one-touch locking mechanism connected to the outer tub...	10/19/1993
5033756	Wide temperature range seal for demountable joints The present invention is directed to a seal for demountable joints operating over a wide temperature range down to liquid helium temperatures. The seal has anti-extrusion guards which prevent extrusion of the soft ductile sealant material, which may be in...	07/23/1991
4870838	Cryostat A cryostat for subjecting samples to extremely cold or extremely hot temperatures while simultaneously exposing them to a gas. The cryostat includes a temperature control assembly with a cryogen jacket-encased sample tube that defines a sample chamber. A ...	10/03/1989
4869077	Open-cycle cooling apparatus An improved open-cycle cooling apparatus in which a cooling chamber holding a device to be cooled is coupled with a cold fluid delivery system and, in which the cold fluid delivery system includes a delivery tube which directs a stream of cold fluid to st...	09/26/1989
4844514	Rotary joint device for a cryogenic liquid A device forming a swivel joint for a cryogenic liquid with at least one central duct for the flow of said cryogenic liquid through the joint and comprising at least one annular duct co-axially surrounding said central duct for the return of the cold gas ...	07/04/1989
4772050	Quick-disconnect inflatable seal assembly A zero-leak cryogenic coupling includes a polymeric seal clamped to a male bayonet member with two pairs of tightening rings. The tightening rings threadably engage each other in respective pairs around tapered ends of the inflatable seal member so that a...	09/20/1988
4667487	Refrigerated penetration insert for cryostat with rotating thermal disconnect A rotating refrigerator connection is provided which allows field interruption of the heat conduction path between a one, two or three stage cryogenic refrigerator and a cryostat in the event of a refrigerator failure or scheduled service....	05/26/1987
4667486	Refrigerated penetration insert for cryostat with axial thermal disconnect An axial disconnect is provided for use with refrigerator systems in which the valve motor and displacer drive are not on the same axis as the displacer (cold end) or for situations where the stresses transmitted to the plug shields are to be minimized. T...	05/26/1987
4659116	Pipe union for cryogenic fluids A union for joining pipes, tubing, or other fluid conduits in a fluidtight manner includes male and female parts having respective inner fluid passages. The male part has a contoured lead end that slidably engages the female lead end which has a complemen...	04/21/1987
4602809	Miniature O-ringless gas line isolator A separable electrical isolator for coupling two pieces of conductive tubing carrying high pressure cryogenic gas includes a gas-impervious dielectric spacer with a bore in which the pieces of tubing are sealed axially-aligned in fluid communication with ...	07/29/1986
4601493	Electrically-isolating coupler suitable for high pressure cryogenic gas flow A coupler for electrically-isolating two conductive sections of fluid-passing line includes two nonconductively-interconnected pieces of tubing for insertion in the line. The pieces of tubing each have a divergently-flared end, and the flared ends are ...	07/22/1986
4600218	Separable high pressure gas line isolator A separable electrical isolator for coupling two pieces of conductive tubing carrying high pressure cryogenic gas includes a gas-impervious dielectric spacer with a pair of opposing surfaces and a bore extending therebetween in which the pieces of tubing ...	07/15/1986
4526015	Support for cryostat penetration tube Penetration tubes extending between inner and outer walls of a cryostat necessarily comprise thin walled structures to minimize thermal conduction. However, in cryostat structures in which the inner vessel is capable of undergoing the relative motion with...	07/02/1985
4516405	Supporting tie configuration for cryostat for cold shipment of NMR magnet A cryostat for use in magnets for NMR medical diagnostic imaging includes inner and outer vessels suspended by sets of at least three low thermal conductivity ties. The positioning of the tie anchoring points, particularly on the interior vessel, are sele...	05/14/1985
4515397	Vacuum insulated conduit A vacuum insulated conduit exhibiting reduced thermal leakage through a joint area wherein the evacuated space between inner and outer pipes is reduced in the joint area by a plate from the outer pipe to bellows covering the inner pipe which form the majo...	05/07/1985
4502714	Vacuum spool piece and joint A joint is made from first and second vacuum spool pieces connected end to end. Each spool piece includes an inner conduit surrounded by and spaced from an outer jacket. Each outer jacket includes an expansion-contraction portion adjacent each end thereof...	03/05/1985

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Class 285/904 - CRYOGENIC