| Patent Number |
Title Of Patent |
Date Issued |
| 7600700 |
Rotating fluid jet with improved rotary seal |
October 13, 2009 |
| An improved seal for use in fluid systems such as a water jet system includes an outer seal point that is very close to an inner seal point. By spacing these two seal points very close together, the force on the seal is greatly reduced compared to the prior art. In the disclosed embo |
| 7182016 |
High pressure fluid cylinder system |
February 27, 2007 |
| A high pressure fluid jetting system generally includes a fluid cylinder pump, a drive assembly, a pressurized liquid supply and an applicator gun. The drive assembly includes a diesel or electric powered motor which drives a rotatable drive shaft. The drive shaft drives a triple plunger |
| 7121812 |
High pressure pump having replaceable plunger/valve cartridges |
October 17, 2006 |
| A high pressure fluid jetting system generally includes a fluid cylinder pump, a drive assembly, a pressurized liquid supply and an applicator gun. The drive assembly includes a diesel engine or electric powered motor which drives a rotatable drive shaft. The drive shaft drives a tri |
| 6889914 |
Shroud assembly for high pressure fluid cleaning lance |
May 10, 2005 |
| A unique shroud assembly covers the outlet nozzle of a high pressure hand held discharge device. The shroud assembly has a stationary tubular sleeve spaced generally circumferentially about the outlet nozzle and a pivotable tubular end cuff that is spaced from and encircles the outlet en |
| 6886832 |
High pressure fluid cylinder system |
May 3, 2005 |
| A high pressure fluid jetting system generally includes a fluid cylinder pump, a drive assembly, a pressurized liquid supply and an applicator gun. The drive assembly includes a diesel or electric powered motor which drives a rotatable drive shaft. The drive shaft drives a triple plunger |
| 6880767 |
Two trigger safety circuit for water cleaning lance |
April 19, 2005 |
| A two-handle cleaning lance includes a pair of switches which must be held closed by an operator to allow high pressure water to be directed to a discharge nozzle. A dump valve is selectively actuated to dump the high pressure water to a dump nozzle at which it will enter the environment |
| 6499510 |
Removable valve assembly |
December 31, 2002 |
| A valve assembly for use with a high pressure fluid gun includes a valve seat connected to a valve sleeve by a spring. The valve seat and the valve sleeve are crimped around opposing ends of the spring. A valve pin is secured to the valve sleeve, the spring allowing for the movement of t |
| 6431214 |
Removable valve assembly |
August 13, 2002 |
| A valve assembly for use with a high pressure fluid gun includes a valve seat connected to a valve sleeve by a spring. The valve seat and the valve sleeve are crimped around opposing ends of the spring. A valve pin is secured to the valve sleeve, the spring allowing for the movement of t |
| 6413323 |
Method of operating a movable base having rotatable supplies of pressurized fluid and a vacuum s |
July 2, 2002 |
| An improved method for cleaning vertical walls includes providing a vacuum source to adhere the system to the vertical wall. The vacuum source removes fluid and removed material from the wall, and also adheres the system to the wall. A rotating fluid jet is positioned radially inwardly |
| 6189177 |
Rotating fluid jet cleaning system for vertical walls |
February 20, 2001 |
| An improved system for cleaning vertical walls includes a vacuum source to adhere the system to the vertical wall. The vacuum source removes fluid and removed material from the wall, and also adheres the system to the wall. A rotating fluid jet is positioned radially inwardly of the vacu |
| 5636789 |
Fluid delivery system |
June 10, 1997 |
| The high pressure water cleaning lance or apparatus has a main channel with a high velocity nozzle at one end and a water dumping channel provided with a dump valve. The apparatus also includes a trigger control valve mechanism which is operated to direct water under extremely high press |
| 5217163 |
Rotating cavitating jet nozzle |
June 8, 1993 |
| A rotating head mounts a nozzle which creates cavitation in a pressurized fluid such that a surface may be quickly and efficiently cleaned. The rotation of the nozzle ensures a relatively wide cleaning path. The cavitation allows cleaning using only the pressurized fluid jet without |
| 5086974 |
Cavitating jet nozzle |
February 11, 1992 |
| A cavitating jet nozzle is disclosed for producing cavitation in a pressurized fluid such as a water used to clean a surface. The cavitating jet nozzle includes a pin received at a central position which lowers the pressure of the pressurized fluid such that cavitation bubbles form in th |
| 5024382 |
Self-rotating nozzle and method of use |
June 18, 1991 |
| The self-rotating nozzle has a hollow shaft adapted for connection to a source of pressurized fluid. A body has an axial bore upon a central axis secured over one end of the shaft and has a counterbore. The shank with an end portion extends from the body into which the counterbore extend |
| 4821961 |
Self-rotating nozzle |
April 18, 1989 |
| The self-rotating nozzle has a hallow shaft adapted for connection to a source of pressurized fluid. A body has an axial bore upon a central axis secured over one end of the shaft and has a counterbore. The shank with an end portion extends from the body into which the counterbore extend |
| 4736805 |
Hydraulic breaker with high pressure water attachment |
April 12, 1988 |
| A tool for a hydraulic breaker having a pressurized fluid system which coacts with the impact tool to break objects such as rocks or aggregate sections. The impact tool has a bore extending through a work engaging end. A conduit is routed into the bore and includes a nozzle at its te |
| 4537639 |
Method for cleaning weld smut from a surface |
August 27, 1985 |
| A system for circulating the fluid to and from a jet spray device and a method of cleaning weld smut using the jet spray device having a seal assembly through which a high pressure fluid is transferred to a rotatable tubular shaft having a plurality of tubular arms for spraying the fluid |
| 4536635 |
Method and apparatus for cleaning welding electrode wheels with high pressure water |
August 20, 1985 |
| A fluid circulating apparatus for cleaning welding electrode wheels with a spray of fluid. A high pressure pump draws the fluid from a tank and distributes it to a plurality of welding stations where nozzles spray the fluid on the electrodes. Flow of water through the system is balanced |
| 4443271 |
Method for cleaning floor grates in place with high pressure water jets |
April 17, 1984 |
| A high-pressure water cleaning device has an enclosure with an open bottom for movement over a floor surface and floor gratings. The cleaning device may be stationary, with objects to be cleaned moved past the enclosure. A rotating seal includes an upright spindle within said enclosure a |
| 4337784 |
Method for cleaning floor surfaces with high pressure water jets |
July 6, 1982 |
| A high-pressure water cleaning device has an enclosure with an open bottom for movement over a floor surface and floor gratings. The cleaning device may be stationary, with objects to be cleaned moved past the enclosure. A rotating seal includes an upright spindle within said enclosure a |
