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Drivers, sensors and struts for vibrating catheters
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A technology of conduits and struts, applied in the field of vibration sensors
Active Publication Date: 2022-03-22
MICRO MOTION INC
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The part is repositionable around the vibration tube
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[0040] Figure 1 to Figure 10 The and following descriptions depict specific examples to teach those skilled in the art how to make and use the best mode of embodiments of sensor assemblies, struts, drivers, and sensitive element sensors. For the purpose of teaching inventive principles, some conventional aspects have been simplified or omitted. Those skilled in the art will appreciate variations from these examples that fall within the scope of the description. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the embodiments. As a result, the embodiments described below are not to be limited to the specific examples described below, but only by the claims and their equivalents.
[0041] The strut, driver and sensor sensors may be part of a sensor assembly attached to the vibrating catheter, as will be described in detail below. The vibrating catheter may include a portion of the sensor...
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Abstract
A strut (140, 140', 140a, 140a') configured to be removably attachable to the vibration conduit (130a, 130b) of the flow meter (5) is provided. The attachment includes a mechanical attachment, wherein the struts (140, 140', 140a, 140a') are movable about the vibrating conduits (130a, 130b). Also provided are components (14, 14a, 16, 16', 16a, 16a') of the flow meter (5) sensor assembly (10) which are removably attachable to the vibration conduit (130a, 130b). Attachment includes mechanical attachment, the part includes: coil part (164, 170) and magnet part (165, 171), wherein part (14, 14a, 16, 16', 16a, 16a') can be around the vibrating catheter ( 130a, 130b) move.
Description
technical field [0001] Embodiments described below relate to vibration sensors, and more particularly, to drivers, sensors, and struts for vibration conduits of sensor assemblies. Background technique [0002] Vibration sensors such as, for example, vibrating densitometers and Coriolis flow meters are commonly known and used to measure mass flow and other information related to material flowing through a conduit in the flow meter. Exemplary Coriolis flow meters are disclosed in US Patent 4,109,524, US Patent 4,491,025 and Re. 31,450. These flow meters have a meter assembly with one or more conduits in a straight or curved configuration. Each conduit configuration in a Coriolis mass flow meter, for example, has a set of natural modes of vibration, which may be of the simple bending type, torsional type, or coupled type. Each catheter can be driven to oscillate in a preferred mode. When there is no flow through the flowmeter, a driving force applied to the conduit(s) causes...
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