| Patent Number |
Title Of Patent |
Date Issued |
| RE34367 |
High-pressure-fluid machine, a seal |
September 7, 1993 |
| The seal, for use especially in non-lubricated, high-pressure, as compressors, in a one-piece, continuous sleeve which envelopes a reciprocable piston for sealing against the piston, or against the cylinder in which the piston translates. One end of the sleeve effects the sealing eng |
| 7448259 |
Position feedback device for rotatable member |
November 11, 2008 |
| An indicator device is for sensing a valve of a fluid machine including a casing having an interior chamber, a valve controlling flow into the interior chamber, and a rotatable shaft configured to displace the valve between open and closed positions when the shaft moves between first and |
| 7387493 |
Impeller with widened blades |
June 17, 2008 |
| A rotary impeller assembly is for a fluid machine and includes a support member having an outer surface and blades connected to the support member. Each blade includes first and second integral portions, the blade first portion having a first thickness and being spaced from the base |
| 7288202 |
Rotary separator and method |
October 30, 2007 |
| A separator and method according to which substances having relatively high densities are separated from a pressurized flow stream. |
| 7241392 |
Rotary separator and method |
July 10, 2007 |
| A separator and method according to which substances having relatively high densities are separated from a pressurized flow stream. |
| 7201379 |
Seal assembly, cartridge, and method |
April 10, 2007 |
| A seal assembly and cartridge for sealing a space between a rotating member and a stationary member in which a sleeve extends around the rotating member and with the inner surface of the sleeve being spaced from the outer surface of the rotating member to form a gap. Pressurized flui |
| 7153112 |
Compressor and a method for compressing fluid |
December 26, 2006 |
| A compressor and a method for compressing fluid according to which a liner is disposed on the inner wall of a housing defining a bore. At least one slot and at least one discharge port are provided in the liner. A rotor is rotated in the housing with its outer surface in a closely spaced |
| 7140109 |
Bearing assembly and method |
November 28, 2006 |
| A bearing assembly and method in which a bearing cage is disposed around a rotating member and a housing is disposed around the cage. A first portion of the radial outer surface of the cage extends in a slightly spaced relation to the corresponding portion of the inner surface of the |
| 7121806 |
Welding method and an assembly formed thereby |
October 17, 2006 |
| A method of welding and an assembly formed thereby, according to which a first member is formed with a first thickness and a second thickness greater than the first thickness. The first member is welded to a second member and a toe is formed in at least one wall of the first member in |
| 7066653 |
Bearing assembly and method |
June 27, 2006 |
| A bearing assembly and method in which a bearing cage is disposed around a rotating member and a housing is disposed around the cage. A first portion of the radial outer surface of the cage extends in a slightly spaced relation to the corresponding portion of the inner surface of the |
| 7018104 |
Bearing assembly and method |
March 28, 2006 |
| A bearing assembly and method in which a bearing cage is disposed around a rotating member and a housing is disposed around the cage. A first portion of the radial outer surface of the cage extends in a slightly spaced relation to the corresponding portion of the inner surface of the |
| 6918740 |
Gas compression apparatus and method with noise attenuation |
July 19, 2005 |
| A gas compression method and method according to which an impeller rotates to flow fluid through a casing, and a plate is disposed in a wall of the casing. At least one series of cells are formed in the plate to form an array of acoustic resonators to attenuate acoustic energy generated |
| 6863474 |
Compressed gas utilization system and method with sub-sea gas storage |
March 8, 2005 |
| A system and method utilizing compressed gas according to which the gas is compressed at a location above ground and transported to an underwater location. The gas is stored at the underwater location and later returned from the underwater location to the above-ground location for utiliz |
| 6848689 |
Shaft seal |
February 1, 2005 |
| A shaft seal in which a rotary sealing part is mounted coaxially with the sealing element and forms therewith a contactless primary seal between opposed faces of the sealing element and rotary sealing part to substantially prevent fluid flow across the primary seal from a high pressu |
| 6837474 |
Electrically operated remote trip mechanism and method |
January 4, 2005 |
| A mechanism and method for controlling an external member, such as the shut off valve of a steam turbine, from a remote location according to which latching and tripping devices are connected to the plunger of a solenoid so that the control of the external member is achieved by energizat |
| 6817846 |
Gas compressor and method with improved valve assemblies |
November 16, 2004 |
| A gas compressor and method according to which a piston assembly reciprocates in a bore to draw the fluid to be compressed into the bore during movement of the piston unit in one direction and to compress the fluid during movement of the piston unit in the other direction. |
| 6817594 |
Grooved valve seat with inlay |
November 16, 2004 |
| A valve seat includes a seat body with an inlay and at least one groove. The seat body has a passage which extends from a first opening to a second opening in the seat body. A channel is located in the seat body adjacent the first opening and extends around at least a portion of the pass |
| 6712363 |
Compression ring sealing device with end gap control and a method of manufacturing same |
March 30, 2004 |
| A sealing method and method according to which a first and second ring are each provided with split ends, and an arcuate lip extends from one end portion of the each ring and in an axial direction relative to the ring and projects outwardly from the face of the ring. The rings are dispos |
| 6669436 |
Gas compression apparatus and method with noise attenuation |
December 30, 2003 |
| A gas compression apparatus and method according to which an impeller rotates to flow fluid through a casing, and a plurality of vanes are mounted on a plate in the casing. A series of cells are formed in the plate to form an array of acoustic resonators to attenuate acoustic energy |
| 6666433 |
Grooved valve seat with inlay |
December 23, 2003 |
| A valve seat includes a seat body with an inlay and at least one groove. The seat body has a passage which extends from a first opening to a second opening in the seat body. A channel is located in the seat body adjacent the first opening and extends around at least a portion of the pass |
| 6655935 |
Gas compressor comprising a double acting piston, an elongate chamber, multiple inlets mounted w |
December 2, 2003 |
| A gas compressor and method according to which a plurality of inlet valve assemblies are angularly spaced around a bore. A piston reciprocates in the bore to draw the fluid from the valve assemblies during movement of the piston unit in one direction and compress the fluid during movemen |
| 6637942 |
Bearing assembly and method |
October 28, 2003 |
| A bearing assembly and method in which a bearing cage is disposed around a rotating member and a housing is disposed around the cage. A first portion of the radial outer surface of the cage extends in a slightly spaced relation to the corresponding portion of the inner surface of the hou |
| 6602057 |
Management and optimization of load sharing between multiple compressor trains for controlling a |
August 5, 2003 |
| A control system is provided for load sharing between a plurality of compressors. The control system determines the actual coefficients of export flow for the compressors, compares the actual coefficients of export flow with a common or individual coefficients of export flow setpoint |
| 6601672 |
Double layer acoustic liner and a fluid pressurizing device and method utilizing same |
August 5, 2003 |
| This invention relates to a double layer acoustic liner for attenuating noise and consisting of a plurality of cells formed in a plate in a manner to form an array of resonators, and a fluid processing device and method incorporating same. |
| 6588764 |
Segmented labyrinth seal assembly and method |
July 8, 2003 |
| A segmented labyrinth seal assembly and method according to which a plurality of arcuate segments extend around a rotating shaft with the shaft being engaged by a sealing portion of each segment, thus sealing against the movement of fluid in an axial direction along the shaft. An eng |
| 6550574 |
Acoustic liner and a fluid pressurizing device and method utilizing same |
April 22, 2003 |
| This invention relates to an acoustic liner for attenuating noise and consisting of a plurality of cells formed in a plate in a manner to form an array of resonators, and a fluid processing device and method incorporating same. |
| 6547037 |
Hydrate reducing and lubrication system and method for a fluid flow system |
April 15, 2003 |
| A system and method for lubricating fluid flow apparatus utilizing a hydrate-reducing chemical. |
| 6474934 |
Directed air flow coupling guard |
November 5, 2002 |
| Method and apparatus are described for a guard for a rotating member. The guard comprises a shell surrounding the rotating member, and a plenum member concentrically spaced from an interior surface of the shell, the shell comprising an inlet for receiving air and an outlet for dischargin |
| 6402465 |
Ring valve for turbine flow control |
June 11, 2002 |
| A turbine includes a casing having a fluid inlet, a fluid outlet interconnected by a fluid flow path. A valve body is mounted in the casing including a plurality of flow passages within the flow path. Each passage extends from a passage inlet to a passage outlet. A control ring is mo |
| 6394764 |
Gas compression system and method utilizing gas seal control |
May 28, 2002 |
| A gas compression system and method according to which product gas is introduced into and compressed in, a compressor. A portion of the compressed gas is discharged to external equipment, and a portion of the gas is trapped in response to deactivation of the compressor. The trapped g |
| 6382909 |
Rotary turning apparatus |
May 7, 2002 |
| A machine with a rotary turning apparatus in accordance with one embodiment of the present invention includes a housing with at least one end wall, at least one bearing assembly, a shaft, a passage, a pair of shoulders, an engagement device, and a biasing device. The shaft is mounted for |
| 6382584 |
Self leveling machine support |
May 7, 2002 |
| A self leveling support for a machine includes a top plate, a base, a first supporting structure, and a second supporting structure. The top plate has a surface resting substantially along a first plane before thermal expansion. The first supporting structure is connected between the top |
| 6375229 |
Apparatus for draining a fluid from a pressure vessel and method of use therefor |
April 23, 2002 |
| A drain connection is mounted in a bore in a pressure vessel. The bore has a first portion and a second portion. The drain connection includes a housing having an elongated shaft portion received in the first portion of the bore. An interconnect flange is connected at a first end of the |
| 6371145 |
System and method for compressing a fluid |
April 16, 2002 |
| A fluid pressurizing system and method according to which a fluid at a low pressure is compressed by fluid to increase its pressure to enable it to be discharged from the system and to an external delivery point. |
| 6347800 |
Fail safe L-shaped spring carrier for gas seals |
February 19, 2002 |
| The present invention relates to a shaft seal (1) comprising a sealing element (14) mounted co-axially to a rotary sealing ring (10) to form a primary seal between opposed faces thereof to substantially prevent fluid flow across the primary seal. The sealing element (14) is urged axially |
| 6318967 |
Gas compression kit and method with interchangeable compression cylinders |
November 20, 2001 |
| A gas compression apparatus and method according to which a compression cylinder is connected between two heads, and gas is introduced into at least one header and into the cylinder. A piston is reciprocated in the cylinder with a stroke corresponding to the length of the cylinder to |
| 6273325 |
Nozzle assembly and method of manufacturing same |
August 14, 2001 |
| A method of manufacturing a nozzle assembly and a nozzle formed thereby in which first and second body portions are formed and connected together to form an enclosure, and one end of the enclosure is connected to a flange assembly. |
| 6267382 |
Fail safe L-shaped spring carrier for gas seals |
July 31, 2001 |
| The present invention relates to a shaft seal (1) comprising a sealing element (14) mounted co-axially to a rotary sealing ring (10) to form a primary seal between opposed faces thereof to substantially prevent fluid flow across the primary seal. The sealing element (14) is urged axially |
| 6244819 |
Adjustable supporting assembly for turbine flowpath components and method thereof |
June 12, 2001 |
| An adjustable supporting assembly in a fluid driven machine with a rotating shaft includes a housing having a chamber with an inner surface, a stationary flowpath component comprising at least first and second portions, and at least one supporting structure. The stationary flowpath c |
| 6213472 |
Shaft seal |
April 10, 2001 |
| The invention relates to a non-contacting shaft seal formed between a rotating sealing ring (3) and a non-rotating circular sealing element (1). The sealing element (1) is spring-loaded towards the sealing ring (3). Gas is pumped into spiral grooves (6) formed in the sealing face (5) of |
| 6145844 |
Self-aligning sealing assembly for a rotating shaft |
November 14, 2000 |
| A self-aligning, sealing assembly in accordance with the present invention includes a sealing apparatus and at least one preloading device. The sealing assembly is mounted in machinery which has a rotating shaft and a stationary member with an inner surface which is spaced from and surro |
| 6131913 |
Anti-rotation and axial locking arrangement of a gas seal on its sleeve |
October 17, 2000 |
| The present invention relates to a non-contact shaft seal (1) comprising a sealing element (14) mounted co-axially to a rotary sealing ring (10) to form a primary seal between opposed faces thereof to substantially prevent fluid flow across the primary seal. The sealing ring (10) is moun |
| 6079965 |
Cylinder, for a rolling piston compressor |
June 27, 2000 |
| A slit, spanning a distance across the top of the vane slot in a cylinder for a rolling piston compressor, safely distributes the stress which occurs in the vane slot. The slit opens onto the bore, in the cylinder, which is provided for a rotary shaft and rotary piston, and onto the vane |
| 6075685 |
Speed protection system for a machine and a method thereof |
June 13, 2000 |
| The present invention relates to a speed protection system for monitoring the speed of a rotating shaft in a machine. The speed protection system includes a first speed detection system, a first time delay system, and a first time delay system. The first speed detection system determines |
| 6071073 |
Method of fabricating a turbine inlet casing and the turbine inlet casing |
June 6, 2000 |
| A method for fabricating a turbine inlet casing has several steps. Providing a prismatic block having an upstream face, a downstream face, and a central axis perpendicular to the upstream and downstream faces. Cutting a circular shaft clearance opening through the block, concentric w |
| 6047778 |
Percussion drill assembly |
April 11, 2000 |
| A compressor piston divides a first compartment into two compression chambers, while a hammer piston divides a second compartment into two drive chambers, each of the compression chambers being connected to a respective one of the drive chambers to form a closed fluid system wherein |
| 6030174 |
Variable characteristic double-sealed control valve |
February 29, 2000 |
| A method and apparatus for regulating fluid flow through a turbine comprising a valve housing positioned in a fluid flow path, the valve housing having a fluid inlet, a fluid outlet, and chamber connecting the fluid inlet and the fluid outlet; a valve sleeve positioned within the cha |
| 6004118 |
Valve polarization means, for a fluid-working machine structure |
December 21, 1999 |
| Inlet valves, with inlet cages, in inlet ports in a cylinder head, and outlet valves, with outlet cages, in outlet ports in the cylinder head, comprise mating combinations of elements which exhibit optimum and proper seating together. The bores and the cages have configurations which, up |
| 6000701 |
Labyrinth seal assembly and method |
December 14, 1999 |
| A labyrinth seal system and method for sealing against the flow of a fluid along a rotating member according in which a fixed housing surrounds the rotating member and one or more sealing members extend from the housing and engage the rotating member for wiping a portion of the fluid off |
| 5971702 |
Adjustable compressor bundle insertion and removal system |
October 26, 1999 |
| A rotary machine, such as a compressor, includes a casing having an annular cavity. The cavity is stepped to include a first circumferential surface of a first size and a second circumferential surface of a second size, less than the first size. At least one roller member is retractably |
