IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0696662
(2000-10-25)
|
발명자
/ 주소 |
- Adams, Thomas C.
- Schulte, Jr., David L.
- Largent, David W.
- Seyffert, Kenneth W.
- McClung, III, Guy L.
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
78 |
초록
▼
A screen which in at least certain aspects has at least one layer of screening material, at least one ramp formed on the at least one layer of screening material, and the at least one ramp having an upwardly projecting portion and also a lower portion or piece connected to the at least one layer of
A screen which in at least certain aspects has at least one layer of screening material, at least one ramp formed on the at least one layer of screening material, and the at least one ramp having an upwardly projecting portion and also a lower portion or piece connected to the at least one layer of screening material, the at least one ramp positioned on the at least one layer of screening material normal to transverse to or at an angle to a direction of fluid to be flowed over the screen so that at least a portion of the fluid will pass up and over the upwardly projecting portion, the fluid, in one aspect, having solids entrained therein to be separated from the fluid by the screen.
대표청구항
▼
A screen which in at least certain aspects has at least one layer of screening material, at least one ramp formed on the at least one layer of screening material, and the at least one ramp having an upwardly projecting portion and also a lower portion or piece connected to the at least one layer of
A screen which in at least certain aspects has at least one layer of screening material, at least one ramp formed on the at least one layer of screening material, and the at least one ramp having an upwardly projecting portion and also a lower portion or piece connected to the at least one layer of screening material, the at least one ramp positioned on the at least one layer of screening material normal to transverse to or at an angle to a direction of fluid to be flowed over the screen so that at least a portion of the fluid will pass up and over the upwardly projecting portion, the fluid, in one aspect, having solids entrained therein to be separated from the fluid by the screen. and user interface units. 2. An instrument according to claim 1, wherein each of the communicators comprises a plurality of communication devices oriented in different directions to one another. 3. An instrument according to claim 1, wherein at least one of the communicators comprises a verification circuit operable to verify communication between the units. 4. An instrument according to claim 1, wherein at least one of the communicators comprises an infra-red optical communicator. 5. An instrument according to claim 1, wherein each communicator comprises an integrated circuit comprising a transmitter circuit for transmitting a communication signal, a receiver circuit for receiving a communication signal, a modulator for modulating a signal to be transmitted and a demodulator for demodulating a received signal. 6. An instrument according to claim 1, wherein the measurement and user interface units have cooperating couplers for connecting the two units together. 7. An instrument according to claim 6, wherein the couplers are arranged to couple the measurement and user interface units together with a part of the user interface unit protecting the sensor to inhibit damage to the sensor when the measurement unit is not in use. 8. An instrument according to claim 6, wherein the couplers are arranged to couple the measurement and user interface units together with the communicator of the measurement unit facing the communicator of the user interface unit to enable communication between the two units when the two units are coupled together. 9. An instrument according to claim 6, wherein the couplers are arranged to couple the measurement and user interface units together in two different configurations such that, in a first configuration, a part of the user interface unit protects the sensor to inhibit damage to the sensor when the measurement unit is not in use and, in a second configuration, the communicator of the measurement unit is directed towards the communicator of the user interface unit to enable communication between the two units when the two units are coupled together. 10. A metrological instrument for measuring a characteristic of a surface of a workpiece, the instrument comprising: a manually portable measurement unit arranged to be placed on a surface to be measured, the measurement unit having a sensor support for carrying a sensor to enable the sensor to sense a surface characteristic when the measurement unit is placed on the surface and a deriver operable to derive a signal indicative of a surface characteristic sensed by the sensor; and a user interface unit separate from the measurement unit and having an indicator operable to provide a user with an indication of a surface characteristic sensed by the sensor, each of the measurement unit and the user interface unit having a communicator enabling remote communication of information relating to a measurement between the measurement and user interface units, and having a coupler enabling, when the measurement unit is not in use, coupling of the measurement and interface units together with the sensor protected by a least part of the user interface unit. 11. An instrument according to claim 10, wherein each of the communicators comprises a plurality of communication devices oriented in different directions to one another. 12. An instrument according to claim 10, wherein at least one of the communicators comprises a verification circuit operable to verify communication between the units. 13. An instrument according to claim 10, wherein each communicator comprises an infra-red optical communicator. 14. An instrument according to claim 10, wherein each communicator comprises an integrated circuit comprising a transmitter circuit operable to transmit a communication signal, a receiver circuit operable to receive a communication signal, a modulator operable to modulate a signal to be transmitted and a demodulator operable to demodulate a received signal. 15. An instrument according to claim 10, wherein the couplers comprise at least one projection and associated recess provided on cooperating surfaces of the measurement and user interface units so that when the two units are coupled together the at least one projection is received in the associated recess. 16. An instrument according to claim 10, wherein the user interface unit comprises a display for displaying an indication of a measurement made by the measurement unit to a user. 17. An instrument according to claim 10, wherein the user interface unit comprises a controller operable to enable a user to cause the measurement unit to initiate a measurement. 18. An instrument according to claim 10, wherein at least one of the user interface and the measurement units comprises a processor operable to process the signal provided by the sensor. 19. An instrument according to claim 10, wherein the measurement unit has a mover operable to move the sensor along a measurement path across the workpiece surface. 20. An instrument according to claim 10, wherein the measurement sensor comprises a pivotally mounted stylus carrying a stylus tip. 21. An instrument according to claim 10, wherein the measurement unit houses a datum bar carrying a carriage, a stylus pivotally mounted to the carriage and carrying a stylus tip, and a motor for driving the carriage along the datum bar to cause the stylus tip to follow a measurement path across the workpiece surface when the measurement unit is mounted on the workpiece surface. 22. An instrument according to claim 10, wherein said deriver comprises a piezoelectric transducer. 23. A metrological instrument for measuring a characteristic of a surface of a workpiece, the instrument comprising: a manually portable measurement unit arranged to be placed on a surface to be measured, the measurement unit having a sensor support for carrying a sensor to enable the sensor to sense a surface when the measurement unit is placed on said surface and a deriver operable to derive a signal indicative of a surface characteristic sensed by the sensor; and a user interface unit separate from the measurement unit and having an indicator operable to provide a user with an indication of a surface characteristic sensed by the sensor, each of the measurement unit and the user interface unit having a communicator enabling remote communication of information relating to a measurement between the measurement and user interface units and each of the measurement unit and the user interface unit also having a coupler enabling coupling of the measurement and user interface units together with the communicator of the measurement unit directed towards the communicator of the user interface unit to enable communication between the two units by the communicators when the two units are coupled together. 24. A metrological instrument for measuring a characteristic of a surface of a workpiece, the instrument comprising: a manually portable measurement unit arranged to be placed on a surface to be measured, the measurement unit having a sensor support for carrying a sensor to enable the sensor to sense a surface when the measurement unit is placed on the surface and a deriver operable to derive a signal indicative of a surface characteristic sensed by the sensor; and a user interface unit separate from the measurement unit and having an indicator operable to provide a user with an indication of a surface characteristic sensed by the sensor, each of the measurement unit and the user interface unit having a communicator enabling remote communication of information relating to a measurement between the measurement and user interface units, and each of the measurement unit and the user interface unit having a coupler enabling coupling of the measurement and user interface units together in two different configurations such that, in a first configuration, a part of the user interface unit protects the sensor to inhibit damage to the senso
※ AI-Helper는 부적절한 답변을 할 수 있습니다.