Cartridge fluid transducer

• US 8,100,019 B2
• Filed: 04/07/2010
• Issued: 01/24/2012
• Est. Priority Date: 04/07/2010
• Status: Expired due to Fees

• Current Assignee: MKT Engineering LLC
• Original Assignee: MKT Engineering LLC
• Inventors: Moldenhauer, Daniel Ervin
• Primary Examiner(s): Allen, Andre
• Application Number:
  US12/755,509
• Publication Number:
  US 20110247425A1
• Time in Patent Office: 657 Days
• Field of Search: None
• US Class Current: 73/721
• CPC Class Codes: G01L 19/0038 being part of the housing other details about the housing G01L19/14
• CPC Class Codes: G01L 19/0084 to the outside of the housing other details about the housing see G01L19/14

Abstract

There is provided a fluid transducer. The transducer housing includes a nose section, a middle section, and a rear section, with the nose section defining a through bore. A sensor is disposed in the nose section and is in fluid communication with the through bore. An electronic module is disposed in the middle section and is in electrical communication with the sensor. A cap is coupled to the real section of the transducer housing, with the cap configured to seal the rear section of the transducer housing. A conductor-insulator assembly is coupled to an outer surface of the transducer housing and the conductor of the conductor-insulator assembly is coupled to the electronic module. In one embodiment the conductor-insulator assembly is annular in shape, with an inside diameter corresponding to the outer surface of the transducer housing.

Claims

1. A fluid transducer comprising:

a transducer housing defining an interior cavity, the transducer housing including a nose section, a middle section, and a rear section, with the nose section defining a through bore;

a sensor disposed in the nose section and in fluid communication with the through bore;

an electronic module disposed in the middle section and in electric communication with the sensor;

a cap coupled to the rear section of the transducer housing, with the cap configured to seal the rear section of the transducer housing; and

a conductor-insulator assembly coupled to an outer surface of the transducer housing and the conductor coupled to the electronic module.

2. The fluid transducer of claim 1 including a second conductor-insulator assembly coupled to the outer surface of the transducer housing a spaced distance from the other conductor, with the second conductor-insulator assembly coupled to the electronic module.

3. The fluid transducer of claim 1 including a retainer nut coupled to the transducer housing and configured to axially secure the conductor-insulator assembly to the transducer housing.

4. The fluid transducer of claim 1 including a spring disposed in the cavity between the cap and electronic module, the spring configured to bias the electronic module toward the sensor.

5. The fluid transducer of claim 1 wherein the transducer housing is configured with the outer surface tapered at the nose section.

6. The fluid transducer of claim 5 wherein the conductor-insulator assembly is annular in shape, with an inside diameter corresponding to the outer surface of the transducer housing.

7. The fluid transducer of claim 6 wherein the outer diameter of the second conductor-insulator assembly is less than the outer diameter of the first conductor-insulator assembly.

8. The fluid transducer of claim 1 including a data port defined in the cap, with the data port in electric communication with the electronic module, wherein data is transmitted to and from the electronic module and wherein the electronic module is reconfigurable through the data port.

9. The fluid transducer of claim 1 wherein the sensor is configured to sense pressure.

10. The fluid transducer of claim 1 wherein the sensor is a strain gauge.

11. The fluid transducer of claim 1 wherein the insulator of the conductor-insulator assembly is configured to insulate the conductor electrically from the transducer housing.

12. The fluid transducer of claim 1 wherein the electronic module is an analog amplifier.

13. A fluid system component comprising:

a component body including an inlet port and an outlet port, with the component body defining a conduit between the inlet and outlet ports;

a transducer orifice defined in the component body and in fluid communication with the conduit; and

a fluid transducer configured for installation in the transducer orifice, with the fluid transducer comprising;

a transducer housing defining an interior cavity, the transducer housing including a nose section, a middle section, and a rear section, with the nose section defining a through bore;

a sensor disposed in the nose section and in fluid communication with the through bore;

an electronic module disposed in the middle section and in electric communication with the sensor;

a cap coupled to the rear section of the transducer housing, with the cap configured to seal the rear section of the transducer housing; and

a conductor-insulator assembly coupled to an outer surface of the transducer housing and coupled to the electronic module, wherein the through bore is in fluid communication with the transducer orifice, and only the cap is exposed outside of the component body.

14. The fluid system component of claim 13 including a second conductor-insulator assembly coupled to the outer surface of the transducer housing a spaced distance from the other conductor-insulator assembly, with the second conductor-insulator assembly coupled to the electronic module.

15. The fluid system component of claim 13 including a data port defined in the cap, with the data port in electric communication with the electronic module, wherein data is transmitted to and from the electronic module and wherein the electronic module is reconfigurable through the data port.

16. The fluid system component of claim 13 including a retainer nut coupled to the transducer housing and configured to axially secure the conductor-insulator assembly to the transducer housing.

17. The fluid system component of claim 13 including a spring disposed in the cavity between the cap and electronic module, the spring configured to bias the electronic module toward the sensor.

18. The fluid system component of claim 13 wherein the transducer housing is configured with the outer surface tapered at the nose section.

19. The fluid system component of claim 18 wherein the conductor-insulator assembly is annular in shape, with an inside diameter corresponding to the outer surface of the transducer housing.

20. The fluid system component of claim 19 wherein the outer diameter of the second conductor-insulator assembly is less than the outer diameter of the conductor-insulator assembly.

21. The fluid system component of claim 13 wherein the sensor is configured to sense pressure.

22. The fluid system component of claim 13 wherein the sensor is a strain gauge.

23. The fluid system component of claim 13 wherein the insulator of the conductor-insulator assembly is configured to insulate the conductor electrically from the transducer housing.

24. The fluid system component of claim 13 wherein the electronic module is an analog amplifier.

25. A fluid system component comprising:

a component body including an inlet port and an outlet port, with the component body defining a conduit between the inlet and outlet ports;

a transducer orifice defined in the component body and in fluid communication with the conduit; and

a fluid transducer configured for installation in the transducer orifice, with the fluid transducer comprising;

a transducer housing defining an interior cavity, the transducer housing including a nose section, a middle section, and a rear section, with the nose section defining a through bore;

a sensor disposed in the nose section and in fluid communication with the through bore;

an electric module disposed in the middle section and in electric communication with the sensor;

a cap coupled to the rear section of the transducer housing, with the cap configured to seal the rear section of the transducer housing; and

a conductor-insulator assembly coupled to an outer surface of the transducer housing and coupled to the electric module;

an electronic module cavity defined in the component body, including a raceway in communication with the transducer orifice; and

a component electronic module disposed in the electronic module cavity and coupled to the conductor-insulator assembly with a conductor through the raceway, wherein the through bore is in fluid communication with the transducer orifice, and only the cap is exposed outside of the component body.

26. The fluid system component of claim 25 including a second conductor-insulator assembly coupled to the outer surface of the transducer housing a spaced distance from the other conductor-insulator assembly, with the second conductor-insulator assembly coupled to the component electronic module.

27. The fluid system component of claim 25 including a data port defined in the component body, with the data port in electric communication with the electronic module, wherein data is transmitted to and from the electronic module and wherein the electronic module is reconfigurable through the data port.

28. The fluid system component of claim 25 including a retainer nut coupled to the transducer housing and configured to axially secure the conductor-insulator assembly to the transducer housing.

29. The fluid system component of claim 25 including a spring disposed between the cap and electric module, the spring configured to bias the electric module toward the sensor.

30. The fluid system component of claim 25 wherein the transducer housing is configured with the outer surface tapered at the nose section.

31. The fluid system component of claim 30 wherein the conductor-insulator assembly is annular in shape, with an inside diameter corresponding to the outer surface of the transducer housing.

32. The fluid system component of claim 31 wherein the outer diameter of the second conductor-insulator assembly is less than the outer diameter of the first conductor-insulator assembly.

33. The fluid system component of claim 25 wherein the sensor is configured to sense pressure.

34. The fluid system component of claim 25 wherein the sensor is a strain gauge.

35. The fluid system component of claim 25 wherein the insulator of the conductor-insulator assembly is configured to insulate the annular conductor of the conductor-insulator assembly electrically from the transducer housing.

36. The fluid system component of claim 25 wherein the component electronic module is an analog amplifier.

37. A method to measure a characteristic of a fluid in a fluid system, the fluid system including a fluid component defining a port configured to couple to the fluid system, and further defining an orifice in the fluid component with the orifice in fluid communication with the port, the method comprising:

providing a fluid transducer configured for installation in the orifice, with the fluid transducer comprising;

a transducer housing defining an interior cavity, the transducer housing including a nose section, a middle section, and a rear section, with the nose section defining a through bore;

a sensor disposed in the nose section and in fluid communication with the through bore;

an electronic module disposed in the middle section and in electric communication with the sensor;

a cap coupled to the rear section of the transducer housing, with the cap configured to seal the rear section of the transducer housing; and

a conductor-insulator assembly coupled to an outer surface of the transducer housing and coupled to the electric module, wherein the through bore is in fluid communication with the orifice;

installing the fluid transducer in the orifice, wherein only the cap is exposed outside of the fluid component and wherein the fluid transducer is in fluid communication with the fluid through the through bore;

coupling the fluid transducer to a controller;

obtaining a signal from the sensor configured to provide a preselected characteristic of the fluid; and

transmitting the signal to the controller, wherein the characteristic of the fluid is manifested.

38. The method of claim 37 including the step of configuring the sensor to sense one of fluid pressure and fluid temperature.

39. The method of claim 37 wherein a second conductor-insulator assembly is provided and coupled to the outer surface of the transducer housing a spaced distance from the other conductor-insulator assembly, with the second conductor-insulator assembly coupled to the electric module.

40. The method of claim 37 wherein the conductor-insulator assembly is annular in shape, with an inside diameter corresponding to the outer surface of the transducer housing.

41. The method of claim 37 including the steps of providing a data port defined in the cap, coupling the data port to the electronic module for electrical communication, transmitting data to and from the electronic module and the controller.

42. The method of claim 37 including the step of reconfiguring the electronic module through the data port.

43. The method of claim 37 wherein the electric module is an analog amplifier.

44. The method of claim 37 wherein the controller is a computer.

45. A fluid system component comprising:

a component body defining a transducer orifice and a single fluid port, with the transducer orifice in fluid communication with the single fluid port; and

a fluid transducer configured for installation in the transducer orifice, with the fluid transducer comprising;

a transducer housing defining an interior cavity, the transducer housing including a nose section, a middle section, and a rear section, with the nose section defining a through bore;

a sensor disposed in the nose section and in fluid communication with the through bore;

an electronic module disposed in the middle section and in electric communication with the sensor;

a cap coupled to the rear section of the transducer housing, with the cap configured to seal the rear section of the transducer housing; and

a conductor-insulator assembly coupled to an outer surface of the transducer housing and coupled to the electronic module, wherein the through bore is in fluid communication with the transducer orifice, and only the cap is exposed outside of the component body.

46. The fluid system component of claim 45 including a second conductor-insulator assembly coupled to the outer surface of the transducer housing a spaced distance from the other conductor-insulator assembly, with the second conductor-insulator assembly coupled to the electronic module.

47. The fluid system component of claim 45 including a data port defined in the cap, with the data port in electric communication with the electronic module, wherein data is transmitted to and from the electronic module and wherein the electronic module is reconfigurable through the data port.

48. The fluid system component of claim 45 wherein the transducer housing is configured with the outer surface tapered at the nose section.

49. The fluid system component of claim 48 wherein the conductor-insulator assembly is annular in shape, with an inside diameter corresponding to the outer surface of the transducer housing.

50. The fluid system component of claim 49 wherein the outer diameter of the second conductor-insulator assembly is less than the outer diameter of the annular conductor-insulator assembly.