| Patent Number |
Title Of Patent |
Date Issued |
| 6507804 |
Apparatus and method for compressing measurement data corelative to machine status |
January 14, 2003 |
| A method and apparatus for compressing, storing and transmitting measurement data correlative to machine status is disclosed in which the measurement data is continuously sensed, sampled and processed to extract significant spectral elements including magnitude and phase information |
| 6421571 |
Industrial plant asset management system: apparatus and method |
July 16, 2002 |
| An industrial plant asset management system comprising of a synchronized multiple view graphical user interface combining simultaneous real time and database display capability, a database including a knowledge manager and having input and output interfaces, a normalizing data acquisitio |
| 6405139 |
System for monitoring plant assets including machinery |
June 11, 2002 |
| A system for monitoring machine data which avoids the need for the cumbersome placement of junction boxes adjacent machines that heretofore had required installing the junction boxes on walls, studs, or stanchions. Instead, a rigid conduit having conductors therein communicate with an |
| 6346807 |
Digital eddy current proximity system: apparatus and method |
February 12, 2002 |
| A digital eddy current proximity system including a digital impedance measuring device for digitally measuring the proximity probes impedance correlative to displacement motion and position of a metallic target object being monitored. The system further including a cable-length calib |
| 6293005 |
Cable and method for precluding fluid wicking |
September 25, 2001 |
| A method and a resulting communication cable is disclosed which provides multiple degrees of control of fluid wicking propensity within the interior of the cable by impregnating the cable with a sealing composition and curing the sealing composition therein. The cable includes a central |
| 6291773 |
Apparatus and method for precluding fluid wicking |
September 18, 2001 |
| A method and a resulting cable (10) is disclosed which precludes fluid wicking within the interior of the cable (10) by impregnating the cable (10) with a sealing composition and curing the sealing composition therein. The cable (10) includes an ultimate strata (18), a penultimate st |
| 6246229 |
Method and apparatus for controlling the temperature stability of an inductor using a magnetical |
June 12, 2001 |
| A method and apparatus for controlling temperature stability of an inductor by using a magnetically coupled metallic object is disclosed in which a metallic object is magnetically coupled to the inductor by a magnetic field emanating therefrom. In one embodiment, the apparatus is tailore |
| 6170148 |
Method of making an encapsulated transducer with an alignment plug |
January 9, 2001 |
| The encapsulated transducer (10) includes an injection molded encapsulation (20) having a front end (22) and a back end (24). The encapsulation (20) ensconces a sensing element (40) proximate the front end (22) and a portion of a cable (60) which extends from the back end (24). The sensi |
| 6142672 |
Fluid flow and control system for a hydrostatic bearing supporting rotating equipment: method an |
November 7, 2000 |
| A fluid flow control system for a bearing supporting rotating equipment, method and apparatus is disclosed in which a rotating shaft is suspended in a fluid. Shaft precession is monitored to provide a compensatory feed back loop to maintain proper shaft registry in the face of loads. |
| 6131270 |
Method of manufacturing an encapsulated transducer with an integrally formed full length sleeve |
October 17, 2000 |
| An encapsulated transducer (10) includes an injection molded encapsulation (20) having front end (22) and back end (24). The encapsulation (20) is a monolith of cured moldable material ensconcing a sensing element or coil (90) proximate front end (22) and a portion of an information tran |
| 6131267 |
Method of manufacture of an encapsulated transducer |
October 17, 2000 |
| The encapsulated transducer (10) includes an injection molded encapsulation (20) having a front end (22) and a back end (24). The encapsulation (20) ensconces a sensing element (40) proximate the front end (22) and a portion of a cable (60) which extends from the back end (24). The sensi |
| 6092029 |
Method and apparatus for diagnosing and controlling rotating stall and surge in rotating machine |
July 18, 2000 |
| A method and apparatus is provided for diagnosing and correcting rotating stall and surge in rotating machines by monitoring dynamic shaft precession and comparing this precession with a standard and altering the precession as the machine approaches a destabilizing condition when ind |
| 6072312 |
Encapsulated transducer having a protective sleeve |
June 6, 2000 |
| An encapsulated transducer (10) includes an injection molded encapsulation (20) having a front end (22) and a back end (24). The encapsulation (20) is a monolith of cured moldable material ensconcing a sensing element (90) proximate the front end (22) and a portion of an information tran |
| 6026348 |
Apparatus and method for compressing measurement data correlative to machine status |
February 15, 2000 |
| 051545044A method and apparatus for compressing, storing and transmitting measurement data correlative to machine status is disclosed in which the measurement data is continuously sensed, sampled and processed to extract significant spectral elements including magnitude and phase informa |
| 5905989 |
Knowledge manager relying on a hierarchical default expert system: apparatus and method |
May 18, 1999 |
| A knowledge manager relying on a hierarchical default expert system is provided including a class hierarchical data base which may be appended to without affecting the class hierarchy and which will address the appended matter first to supersede any previous knowledge in the class hierar |
| 5876528 |
Apparatus and method for precluding fluid wicking |
March 2, 1999 |
| A method and a resulting cable (10) is disclosed which precludes fluid wicking within the interior of the cable (10) by impregnating the cable (10) with a sealing composition and curing the sealing composition therein. The cable (10) includes an ultimate strata (18), a penultimate st |
| 5850046 |
Transducer mounting bracket and verification device: apparatus and method |
December 15, 1998 |
| A transducer mounting apparatus (10) is disclosed which includes a two-piece mounting bracket (20) and a verification device (100). The two-piece mounting bracket (20) includes a precisely machined base plate (22) and sliding plate (60). At least one transducer (150) is mounted to th |
| 5818224 |
Encapsulated transducer with an integrally formed full length sleeve and a component alignment p |
October 6, 1998 |
| An encapsulated transducer (10) includes an injection molded encapsulation ensconcing a sensing element (90) proximate the front end (22) and a portion of an information transmitting medium (120) emanating from the back end (24). A component alignment preform (40) operatively couples the |
| 5792956 |
Signal conditioning circuit apparatus and method |
August 11, 1998 |
| Apparatus and method utilized in conditioning an input signal from a transducer operatively coupled to a machine by self-biasing a circuit including an op-amp having an inverting signal input terminal, a non-inverting signal input terminal, bias voltage terminals and a signal output |
| 5770941 |
Encapsulated transducer and method of manufacture |
June 23, 1998 |
| The encapsulated transducer (10) includes an injection molded encapsulation (20) having a front end (22) and a back end (24). The encapsulation (20) ensconces a sensing element (40) proximate the front end (22) and a portion of a cable (60) which extends from the back end (24). The sensi |
| 5769545 |
Hydrostatic bearing for supporting rotating equipment, a fluid handling system associated therew |
June 23, 1998 |
| A bearing for supporting rotating equipment, a fluid handling system associated therewith, a control system therefore, method and apparatus is disclosed in which a rotating shaft is suspended in a fluid. Shaft precession is monitored to provide a compensatory feed back loop to mainta |
| 5712562 |
Encapsulated transducer with an alignment plug and method of manufacture |
January 27, 1998 |
| The encapsulated transducer (10) includes an injection molded encapsulation (20) having a front end (22) and a back end (24). The encapsulation (20) ensconces a sensing element (40) proximate the front end (22) and a portion of a cable (60) which extends from the back end (24). The sensi |
| 5685884 |
Method of making a transducer |
November 11, 1997 |
| A method of making an encapsulated transducer (10), which includes an injection molded encapsulation (20) having a front end (22) and a back end (24). The encapsulation (20) is a monolith of cured moldable material ensconcing a sensing element (90) proximate the front end (22) and a |
| 5477735 |
Two-wire constant current powered transducer |
December 26, 1995 |
| A two-wire constant current powered transducer (10) for detecting, integrating and transmitting an acceleration signal (50) received from a piezoelectric crystal (12). The crystal is operatively coupled to rotating machinery (M) such that rotating anomalies correlative of wear or pot |
| 5351388 |
Cable locking and sealing process for sensor |
October 4, 1994 |
| A sensor has a metal case with a sensing coil at one end and a shielded cable extending from the other. In one use it is placed in proximity to rotating machinery to sense imbalance by position change of the shaft. A pair of suitably sized metal cylinders which are precisely interlocked |
| 5126664 |
Wire composition for a small diameter temperature stable proximity coil |
June 30, 1992 |
| A small diameter proximity coil for use in proximity sensors to sense imbalance in rotating machinery which has a coil of less than 0.3 inch diameter is constructed of a silver/palladium alloy of 89% silver and 11% palladium. This provides for, because of the inherent balancing out of AC |
| 5021737 |
Proximity sensor resistant to axial and torsional forces |
June 4, 1991 |
| A proximity sensor has a metal case with a sensing coil at one end and a coaxial cable extending out the other end for placement in proximity to rotating machinery to sense imbalances by position change of, for example, a shaft. The sensor includes a cylinder integrally molded with a pla |
| 4982101 |
Fiberglass collar for data transfer from rotatable shaft |
January 1, 1991 |
| Telemetry apparatus for a rotating machine shaft includes a fixed collar of lightweight composite material wrapped on the shaft and having embedded in it telemetry apparatus. Measured data such as torque from a strain gauge sensor is transmitted to a stationary sensor by pulses of infrar |
| 4033042 |
Shaft alignment apparatus and method |
July 5, 1977 |
| Alignment apparatus and method for aligning a pair of machines having first and second rotating shafts in a machine train with at least one flexible coupling interconnecting the first and second shafts. The flexible coupling has at least one member connected to one of the shafts and is |
| 3986380 |
Method for removing electrical runout in machine shafts and apparatus for use with the same |
October 19, 1976 |
| A method for removing electrical runout in a machine shaft is disclosed. Electrical runout relates to electrical irregularities which can result from non-uniform electrical properties of the materials of the observed surface. A non-contacting eddy current proximity transducer is to be |
