| Patent Number |
Title Of Patent |
Date Issued |
| D561877 |
Seal carrier for ultrahigh-pressure fluid systems |
February 12, 2008 |
|
| D515675 |
Element for a superpressure static fluid seal |
February 21, 2006 |
|
| D484153 |
Cover for waterjet assembly |
December 23, 2003 |
|
| D480783 |
Orifice mount for high-pressure fluid jet systems |
October 14, 2003 |
|
| D470566 |
Orifice mount for high-pressure fluid jet system |
February 18, 2003 |
|
| D469788 |
Cover for waterjet assembly |
February 4, 2003 |
|
| D460094 |
Spray shield for waterjet systems |
July 9, 2002 |
|
| 7367789 |
Device for maintaining a static seal of a high pressure pump |
May 6, 2008 |
| A pressure enclosure includes a first component having an opening, a second component coupled to the first component in a position over the opening, a third component positioned between the first and second components and covering the opening, and a load chamber defined by a space be |
| 7331842 |
Contour follower for tool |
February 19, 2008 |
| A contour follower includes a plurality of sensors spaced around a waterjet nozzle, each of the sensors being configured to measure a distance between a working surface and a first plane, perpendicular to a longitudinal axis of the nozzle. The sensors may include hall-effect sensors |
| 7247006 |
Method and apparatus for sealing an ultrahigh-pressure fluid system |
July 24, 2007 |
| An ultrahigh-pressure fluid system, such as an ultrahigh-pressure fluid pump, includes an improved dynamic seal assembly that can withstand pressures above 40,000 psi, and more preferably, pressures up to and beyond 87,000 psi. The dynamic sealing assembly includes a plastic seal hav |
| 6996452 |
Method and system for automated software control of waterjet orientation parameters |
February 7, 2006 |
| Methods and systems for automating the control of fluid jet orientation parameters are provided. Example embodiments provide a Dynamic Waterjet Control System (a "DWCS") to dynamically control the orientation of the jet relative to the material being cut as a function of speed and other |
| 6981906 |
Methods and apparatus for milling grooves with abrasive fluidjets |
January 3, 2006 |
| A method for milling grooves in a work-piece includes using a manipulator to control impingement angles of abrasive fluidjets traversed across the work-piece. Another method employs multiple fluidjets simultaneously with a plurality of impingement angles. An apparatus is also provided to |
| 6970793 |
Apparatus and method for detecting malfunctions in high-pressure fluid pumps |
November 29, 2005 |
| A fluid pump system includes a pump having a plurality of cylinders, each having an outlet port coupled to a high-pressure manifold. A pressure transducer is coupled to the manifold and configured to convert pressure levels of fluid in the manifold to a voltage signal at an output of the |
| 6945859 |
Apparatus for fluid jet formation |
September 20, 2005 |
| A method and apparatus for controlling the coherence of a high-pressure fluid jet directed toward a selected surface. In one embodiment, the coherence is controlled by manipulating a turbulence level of the fluid forming the fluid jet. The turbulence level can be manipulated upstream or |
| 6875084 |
Method for fluid jet formation |
April 5, 2005 |
| A method and apparatus for controlling the coherence of a high-pressure fluid jet directed toward a selected surface. In one embodiment, the coherence is controlled by manipulating a turbulence level of the fluid forming the fluid jet. The turbulence level can be manipulated upstream or |
| 6852002 |
Apparatus and methods for Z-axis control and collision detection and recovery for waterjet cutti |
February 8, 2005 |
| This invention relates to apparatus and methods for z-axis control and collision detection and recovery for waterjet and abrasive-jet cutting systems. In one embodiment, an apparatus includes a linear rail, a slide member coupleable to a cutting head and slideably coupled to the linear |
| 6851627 |
Multiple segment high pressure fluidjet nozzle and method of making the nozzle |
February 8, 2005 |
| A high-pressure fluidjet nozzle is formed from a plurality of segments joined together, for example, by a metal sleeve. Axial bores provided in the segments align to form an axial bore extending through the nozzle. The number, material, and outer and inner dimensions of the segments can |
| 6804459 |
Method and apparatus for changing the temperature of a pressurized fluid |
October 12, 2004 |
| An assembly for changing the temperature of ultrahigh-pressure fluid as it flows through ultrahigh-pressure tubing includes several thermally conductive blocks. Each block has a first bore through which the ultrahigh-pressure tubing passes, and a second bore containing a source of he |
| 6802541 |
Components, systems and methods for forming a gasketless seal between like metal components in a |
October 12, 2004 |
| Components, assemblies and methods for creating seals in ultrahigh pressure fluid containment systems, are shown and described. Embodiments of the invention allow abutting components of like materials to be compressed against each other without the need of an intermediate gasket or other |
| 6766216 |
Method and system for automated software control of waterjet orientation parameters |
July 20, 2004 |
| Methods and systems for automating the control of fluid jet orientation parameters are provided. Example embodiments provide a Dynamic Waterjet Control System (a "DWCS") to dynamically control the orientation of the jet relative to the material being cut as a function of speed and other |
| 6755725 |
Method and apparatus for fluid jet formation |
June 29, 2004 |
| A method and apparatus for controlling the coherence of a high-pressure fluid jet directed toward a selected surface. In one embodiment, the coherence is controlled by manipulating a turbulence level of the fluid forming the fluid jet. The turbulence level can be manipulated upstream or |
| 6752686 |
Method and apparatus for fluid jet formation |
June 22, 2004 |
| A method and apparatus for controlling the coherence of a high-pressure fluid jet directed toward a selected surface. In one embodiment, the coherence is controlled by manipulating a turbulence level of the fluid forming the fluid jet. The turbulence level can be manipulated upstream or |
| 6736407 |
Static fluid seals and seal assemblies for ultrahigh pressure fluid containment |
May 18, 2004 |
| High-pressure static seals and pressure vessels with static seals for containing fluid at high pressures are shown and described. Embodiments of the invention allow a plug to be easily, manually inserted into and removed from the pressure vessel. A metallic ring in the seal is config |
| 6540586 |
Apparatus and methods for collision detection and recovery for waterjet cutting systems |
April 1, 2003 |
| This invention relates to apparatus and methods for collision detection and recovery for waterjet and abrasive-jet cutting systems. In one embodiment, an apparatus includes a first mount member coupleable to a controllably positionable mounting portion of the cutting system, and a second |
| 6464567 |
Method and apparatus for fluid jet formation |
October 15, 2002 |
| A method and apparatus for controlling the coherence of a high-pressure fluid jet directed toward a selected surface. In one embodiment, the coherence is controlled by manipulating a turbulence level of the fluid forming the fluid jet. The turbulence level can be manipulated upstream or |
| 6379214 |
Apparatus and methods for z-axis control and collision detection and recovery for waterjet cutti |
April 30, 2002 |
| This invention relates to apparatus and methods for z-axis control and collision detection and recovery for waterjet and abrasive-jet cutting systems. In one embodiment, an apparatus includes a linear rail, a slide member coupleable to a cutting head and slideably coupled to the linear |
| 6375547 |
Method of operating a fluid jet cutting machine with abrasive removal system |
April 23, 2002 |
| A method of operating a fluid jet cutting machine with abrasive removal system. The fluid-jet cutting machine has a nozzle and a carrier assembly attached to the nozzole to move the nozzle along a cutting path. A high-pressure fluid source and an abrasive particle source are coupled to |
| 6361416 |
Apparatus and methods for recovering abrasive from an abrasive-laden fluid for use with abrasive |
March 26, 2002 |
| This invention relates to methods and apparatus for recovering abrasive for use with abrasive jet cutting systems. In one embodiment, an apparatus in accordance with the invention includes an abrasive-laden fluid handling device coupled to a catcher tank of an abrasive jet cutting system |
| 6328638 |
Apparatus and methods for recovering abrasive from an abrasive-laden fluid |
December 11, 2001 |
| An improved apparatus and methods for recovering abrasive from an abrasive-laden fluid are shown and described. An abrasive-laden fluid handling device is coupled to a catcher tank to collect abrasive-laden fluid and transport it to a hydro-classifier. Wet recovered abrasive is disch |
| 6305913 |
Pressure processing a pumpable substance with a flexible membrane |
October 23, 2001 |
| An apparatus and method for pressure processing a pumpable substance, such as a pumpable food product or slurry. In one embodiment, the apparatus includes a pressure vessel having an inlet valve toward one end and outlet valve toward the other end. A flexible bladder is coupled between t |
| 6299510 |
Abrasive removal system for use with high-pressure fluid-jet cutting device |
October 9, 2001 |
| An abrasive particle removal device for use with a fluid jet cutting machine includes a tank aligned with a nozzle of the cutting machine, a settling container, and a fluid transport mechanism to transport fluid from the tank to the settling container. The tank includes at least one |
| 6283833 |
Method and apparatus for producing a high-velocity particle stream |
September 4, 2001 |
| A method and apparatus for producing a high-velocity particle stream at low cost through multi-staged acceleration using different media in each stage, the particles are accelerated to a subsonic velocity (with respect to the velocity of sound in air) using one or more jets of gas at low |
| 6280302 |
Method and apparatus for fluid jet formation |
August 28, 2001 |
| A method and apparatus for controlling the coherence of a high-pressure fluid jet directed toward a selected surface. In one embodiment, the coherence is controlled by manipulating a turbulence level of the fluid forming the fluid jet. The turbulence level can be manipulated upstream or |
| 6164930 |
Apparatus for regulating flow of a pumped substance |
December 26, 2000 |
| An apparatus and method for pressure processing a pumpable substance. In one embodiment, the apparatus includes a pressure vessel having an inlet port to receive the pumpable substance and an outlet port to remove the pumpable substance. The inlet and outlet ports can be sealed with mova |
| 6162031 |
Seal seat for high pressure pumps and vessels |
December 19, 2000 |
| A seal assembly for a high pressure vessel. The pressure vessel can include a first material and can have a face with a bore extending through the face such that the bore has an edge at an intersection of the bore and the face. A check valve, including a second material, can extend into |
| 6158981 |
Method and apparatus for aseptic pressure-processing of pumpable substances |
December 12, 2000 |
| Improved methods and apparatus for pressure processing of pumpable substances are shown and described. In one embodiment, the apparatus includes an inlet valve, an outlet valve, and a pressure vessel. The inlet valve has an inlet port, and is coupled to a source of a pumpable substan |
| 6145845 |
Biased seal assembly for high pressure fluid pump |
November 14, 2000 |
| A method and apparatus for biasing a seal assembly in a high pressure fluid pump. In one embodiment, the fluid pump includes a reciprocating plunger, a seal carrier disposed about the plunger, and a seal supported by the seal carrier and sealably engaged with the plunger. The seal may be |
| 6113304 |
Coupling for high pressure fluid pump assembly |
September 5, 2000 |
| A coupling for a high pressure fluid seal assembly is shown and described. The coupling includes a first member having first and second opposite ends and capable of motion along a first axis extending between the first and second ends. The first member has an engagement portion positione |
| 6092370 |
Apparatus and method for diagnosing the status of specific components in high-pressure fluid pum |
July 25, 2000 |
| A method and apparatus for diagnosing components in high-pressure pumps to indicate when a component of the pump head is malfunctioning and to identify the malfunctioning component. In one embodiment, a high-pressure pump head incorporating a diagnostic system in accordance with the |
| 6086070 |
High pressure fluid seal assembly |
July 11, 2000 |
| A high pressure fluid seal assembly is shown and described. The seal assembly includes a seal carrier having a bore through which a reciprocating pump plunger may pass, the seal carrier having a first annular groove concentric with the bore, and carrying an annular seal. The seal car |
| 6019298 |
Ultrahigh-pressure fan jet nozzle |
February 1, 2000 |
| A nozzle for producing an ultrahigh-pressure fluid fan jet is shown and described. In a preferred embodiment, the nozzle has an inner surface defined by a conical bore extending from a first end to a second end, thereby creating an entrance orifice and an exit orifice in the first and |
| 6000308 |
Screw drive method and apparatus |
December 14, 1999 |
| A method and apparatus for operating a screw drive apparatus. The apparatus may include a threaded rod having a helical thread, a nut disposed about the threaded rod and having a load-bearing channel aligned with and radially outward from the helical thread, and a plurality of balls betw |
| 5996478 |
Apparatus for pressure processing a pumpable food substance |
December 7, 1999 |
| An improved method and apparatus for pressure processing a pumpable substance are shown and described. In a preferred embodiment, a valve is coupled to a source of a pumpable food substance and a pressure vessel, the valve being movable to a first, second and third position. When the |
| 5993172 |
Method and apparatus for pressure processing a pumpable substance |
November 30, 1999 |
| An improved method and apparatus for pressure processing a pumpable substance are shown and described. In a preferred embodiment, a valve is coupled to a source of a pumpable substance and a pressure vessel, the valve being movable to a first, second and third position. When the valve |
| 5961053 |
Ultrahigh-pressure fan jet nozzle |
October 5, 1999 |
| A nozzle for producing an ultrahigh-pressure fluid fan jet is shown and described. In a preferred embodiment, the nozzle has an inner surface defined by a conical bore extending from a first end to a second end, thereby creating an entrance orifice and an exit orifice in the first and |
| 5891505 |
Method for pressure processing a pumpable food substance |
April 6, 1999 |
| An improved method and apparatus for pressure processing a pumpable substance are shown and described. In a preferred embodiment, a valve is coupled to a source of a pumpable food substance and a pressure vessel, the valve being movable to a first, second and third position. When the |
| 5785582 |
Split abrasive fluid jet mixing tube and system |
July 28, 1998 |
| An improved mixing tube for use in a high-pressure abrasive fluid jet system is shown and described. In a preferred embodiment, the mixing tube is provided by forming a first piece and a second piece, each piece having a length that is substantially equal to the length of the mixing tube |
| 5730358 |
Tunable ultrahigh-pressure nozzle |
March 24, 1998 |
| An improved and tunable ultrahigh-pressure nozzle for use in generating ultrahigh-pressure fluid jets is shown and described. In a preferred embodiment, a nozzle body is provided with a first conical bore that extends from an entrance orifice to an exit orifice, the bore transitionin |
| 5643058 |
Abrasive fluid jet system |
July 1, 1997 |
| An improved system for generating an abrasive fluid jet is shown and described. In a preferred embodiment, abrasive is fed from a bulk hopper into an air isolator having a baffle that limits the flow of air and abrasive through the air isolator, thereby venting air from the abrasive. |
| 5564469 |
Erosion resistant high pressure relief valve |
October 15, 1996 |
| A high pressure relief valve for use in a high pressure fluid pump is shown and described. In a preferred embodiment, a valve seat is provided with a tapered hole and with a conduit, the tapered hole and conduit being in fluid communication with each other and with fluid having a variabl |
