Antenna gasket for process housing

• US 20090243395A1
• Filed: 03/26/2008
• Published: 10/01/2009
• Est. Priority Date: 03/26/2008
• Status: Active Grant

• Current Assignee: EMD Millipore Corporation (Merck & Co., Inc.)
• Original Assignee: Millipore Corporation
• Inventors: Burke, Aaron, Joens, Michael
• Granted Patent: US 7,898,495 B2
• Time in Patent Office: Days
• US Class Current: 307/104
• CPC Class Codes: B01D 2201/34 Seals or gaskets for filtering elements for removable closures, lids, caps or filter heads B01D2201/304
• CPC Class Codes: B01D 2201/56 Wireless systems for monitoring the filter
• CPC Class Codes: B01D 2271/02 Gaskets, sealings
• CPC Class Codes: B01D 29/52 in parallel connection
• CPC Class Codes: B01D 46/4245 Means for power supply or devices using electrical power in filters or filter elements
• CPC Class Codes: B01D 46/429 Means for wireless communication
• CPC Class Codes: H01Q 1/22 by structural association with other equipment or articles
• CPC Class Codes: H01Q 1/2216 used in interrogator/reader equipment
• CPC Class Codes: H01Q 1/40 Radiating elements coated with or embedded in protective material
• CPC Class Codes: H01Q 1/50 Structural association of antennas with earthing switches, lead-in devices or lightning protectors
• CPC Class Codes: H01Q 9/16 with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole H01Q9/44 takes precedence

Abstract

A method and apparatus for providing wireless communication and optionally power to the interior of a housing assembly is disclosed. In one embodiment, an antenna is molded within a gasket material, such as silicon, so as to be completely encapsulated. The gasket preferably includes at least one support arm, which holds the antenna toward the middle of the housing, so as to minimize interference from the metal housing. In further embodiments, an inductive coil is encapsulated in the gasket. An alternating current is passed through this coil to create a changing magnetic field, which can then be used to create electrical power in physically separate components, such as filtering elements. In certain embodiments, multiple loops are molded to correspond to multiple filtering elements within the housing.

Claims

1. An apparatus for use with a housing assembly having at least two separable portions, comprising

a. A gasket comprising an elastic material adapted to form a seal between said portions;

b. An antenna located within said housing; and

c. A conduit, embedded in said gasket, electrically connecting said antenna to the exterior of said housing assembly.

2. The apparatus of claim 1, further comprising at least one support arm to which said antenna is attached.

3. The apparatus of claim 2, wherein said gasket is ring-shaped and said antenna is positioned at the center of said seal.

4. The apparatus of claim 1, further comprising a connector located external to said housing assembly to which said conduit is electrically connected.

5. The apparatus of claim 1, further comprising a circular coil, located within said housing assembly, and a second conduit embedded in said gasket electrically connecting said coil to the exterior of said housing assembly.

6. The apparatus of claim 5, wherein said circular coil and said gasket form concentric circles.

7. The apparatus of claim 5, wherein a portion of said gasket extends inside said housing assembly, and said coil is embedded in said inner portion of said gasket.

8. The apparatus of claim 5, wherein said housing assembly is adapted to contain at least one filtering element, and said coil is positioned within said housing assembly so as to encircle said filtering element.

9. The apparatus of claim 1, wherein said two separable portions comprise an upper and lower housing.

10. The apparatus of claim 1, further comprising a device, located within said housing assembly, said device adapted to communicate wirelessly with said antenna.

11. The apparatus of claim 10, wherein said device further comprises a sensor.

12. The apparatus of claim 10, wherein said device further comprises a filtering element.

13. The apparatus of claim 10, wherein said device comprises a storage element.

14. A method of communicating to a device within a housing assembly having at least two separable portions, comprising:

a. Providing a gasket between said portions so that a portion of said gasket forms a seal between said separable portions;

b. Embedding an electrical conduit in said gasket;

c. Providing an antenna within said housing assembly connected to the exterior of said housing assembly via said conduit;

d. Providing a second device external to said housing, having communication capacities;

e. Connecting said second device to said conduit; and

f. Transmitting information from said second device through said antenna to said device within said housing.

15. The method of claim 14, further comprising

a. Providing a circular coil within said housing assembly connected to the exterior of said housing assembly via a second conduit embedded in said gasket;

b. Energizing said coil with an alternating current so as to create a changing magnetic field within said housing assembly; and

c. Providing a second coil in said device within said housing adapted to convert said magnetic field into electrical power.

16. The method of claim 14, wherein said transmission utilizes a wireless protocol.

17. The method of claim 16, wherein said wireless protocol comprises RFID.

18. The method of claim 16, wherein said wireless protocol comprises Zigbee®

.

19. The method of claim 16, wherein said wireless protocol comprises BlueTooth®

.

20. The method of claim 16, wherein said wireless protocol comprises Wifi®

.

21. The method of claim 14, wherein said device comprises a wireless communication device.

22. The method of claim 21, wherein said device comprises a storage element.

23. The method of claim 21, wherein said device comprises a sensor.

24. The method of claim 21, wherein said device comprises a filtering element.

25. An apparatus for use with a housing assembly having at least two separable portions, comprising

a. A gasket comprising an elastic material adapted to form a seal between said portions;

b. A coil, located within said housing assembly, adapted to receive an alternating current so as to generate a changing magnetic field; and

c. A conduit embedded in said gasket, electrically connecting said coil to the exterior of said housing assembly.

26. The apparatus of claim 25, wherein a portion of said gasket extends inside said housing assembly, and said coil is embedded in said inner portion of said gasket.

27. The apparatus of claim 25, wherein said housing assembly is adapted to contain at least one filtering element, and said coil is positioned within said housing assembly so as to encircle said filtering element.

28. The apparatus of claim 25, further comprising a connector located external to said housing assembly to which said conduit is electrically connected.

29. The apparatus of claim 25, wherein said coil and said gasket form concentric circles.

30. The apparatus of claim 25, further comprising an antenna, located within said housing assembly, and a second conduit embedded in said gasket electrically connecting said antenna to the exterior of said housing assembly.

31. The apparatus of claim 25, wherein said separable portions comprise an upper and lower housing.

32. The apparatus of claim 25, further comprising a device, located within said housing assembly, wherein said device comprises a wireless communication device.

33. The apparatus of claim 25, further comprising a device, located within said housing assembly, wherein said device further comprises a sensor.

34. The apparatus of claim 25, further comprising a device, located within said housing assembly, wherein said device further comprises a filtering element.

35. The apparatus of claim 25, further comprising a device, located within said housing assembly, wherein said device comprises a storage element.

36. A method of powering a device within a housing assembly having at least two separable portions, comprising:

a. Providing a gasket between said portions so that a portion of said gasket forms a seal between said separable portions;

b. Embedding an electrical conduit in said gasket;

c. Providing a circular coil within said housing assembly external connected to the exterior of said housing assembly via said conduit;

d. Energizing said coil with an alternating current so as to create a changing magnetic field within said housing assembly; and

e. Providing a second coil in said device within said housing adapted to convert said magnetic field into electrical power.

37. The method of claim 36, wherein said coil is positioned so as to encircle said device.

38. The method of claim 36, wherein said device comprises a wireless communication device.

39. The method of claim 36, wherein said device comprises a storage element.

40. The method of claim 36, wherein said device comprises a sensor.

41. The method of claim 36, wherein said device comprises a filtering element.