Repositionalble brace bar for vibratory flow meter conduits
A brace bar ( 140, 140′, 140 a, 140 a ′) configured to be removably attachable to vibratory conduits ( 130 a, 130 b ) of a flowmeter ( 5 ) is provided. The attachment comprises a mechanical attachment, wherein the brace bar ( 140, 140′, 140 a, 140 a ′) is movable about the vibratory conduits ( 130 a, 130 b ). A component ( 14, 14 a, 16, 16′, 16 a, 16 a ′) of the flowmeter ( 5 ) sensor assembly ( 10 ) that is removably attachable to vibratory conduits ( 130 a, 130 b ) is also provided. The attachment comprises a mechanical attachment, comprising: a coil portion ( 164, 170 ) and a magnet portion ( 165, 171 ), wherein the component ( 14, 14 a, 16, 16′, 16 a, 16 a ′) is movable about the vibratory conduits ( 130 a, 130 b ). The brace bar is repositionable, such that heat stress is minimized, while repair and tuning of the sensor assembly is simplified.
1. A brace bar ( 140 , 140 ′, 140 a , 140 a ′) configured to removably attach to vibratory conduits ( 130 a , 130 b ) of a flowmeter ( 5 ), wherein the brace bar ( 140 , 140 ′, 140 a , 140 a ′) is repositionable about the vibratory conduits ( 130 a , 130 b ); wherein the brace bar comprises:
a brace bar body ( 141 ); and
two end portions ( 142 , 142 ′) fastenable to the brace bar body ( 141 ;)
at least one raised portion ( 148 ) disposed on an internal surface ( 147 ) of the brace bar body ( 141 ) and the two end portions ( 142 , 142 ′), wherein the at least one raised portion ( 148 ) is configured to contact a vibratory conduit ( 130 a , 130 b ) when attached thereto.
2. The brace bar ( 140 , 140 ′, 140 a , 140 a ′) of claim 1 , comprising:
two apertures ( 146 , 146 ′) defined by the brace bar body ( 141 ) and the two end portions ( 142 , 142 ′), wherein the at-least-one two apertures ( 146 , 146 ′) are configured to allow vibratory conduits ( 130 a , 130 b ) to pass therethrough; and
wherein the brace bar body ( 141 ) and the two end portions ( 142 , 142 ′) are configured to clamp to the vibratory conduit ( 130 a , 130 b ).
3. The brace bar ( 140 , 140 ′, 140 a , 140 a ′) of claim 1 , comprising:
at least one mechanical fastener ( 143 ) configured to fasten the brace bar body ( 141 ) to each of the two-end portions ( 142 , 142 ′).
4. A component ( 14 , 14 a , 16 , 16 ′, 16 a , 16 a ′) of a flowmeter ( 5 ) sensor assembly ( 10 ) removably attachable to vibratory conduits ( 130 a , 130 b ), comprising:
a coil portion ( 164 , 170 );
a magnet portion ( 165 , 171 );
wherein the component ( 14 , 14 a , 16 , 16 ′, 16 a , 16 a ′) is repositionable about the vibratory conduits ( 130 a , 130 b ); wherein
the coil portion ( 170 ) comprises a strap ( 173 ) configured to circumscribe and attach the coil portion ( 170 ) to one of the vibratory conduits ( 130 a , 130 b ); and
the magnet portion ( 171 ) comprises a strap ( 173 ) configured to circumscribe and attach the magnet portion ( 171 ) to one of the vibratory conduits ( 130 a , 130 b ).
5. The component ( 14 , 14 a ) of claim 4 wherein the component comprises a driver ( 14 , 14 a ).
6. The component ( 16 , 16 ′, 16 a , 16 a ′) of claim 4 wherein the component comprises a pickoff sensor ( 16 , 16 ′, 16 a , 16 a ′).
7. A component ( 14 , 14 a , 16 , 16 ′, 16 a , 16 a ′) of a flowmeter ( 5 ) sensor assembly ( 10 ) removably attachable to vibratory conduits ( 130 a , 130 b ), comprising:
a coil portion ( 164 , 170 );
a magnet portion ( 165 , 171 );
wherein the component ( 14 , 14 a , 16 , 16 ′, 16 a , 16 a ′) is repositionable about the vibratory conduits ( 130 a , 130 b ); wherein:
the coil portion ( 164 ) comprises a first portion ( 161 ) and a second portion ( 161 ′), wherein the first and second portions ( 161 , 161 ′) are configured to clamp around one of the vibratory conduits ( 130 a , 130 b ); and
the magnet portion ( 165 ) comprises a first portion ( 161 ) and a second portion ( 161 ′), wherein the first and second portions ( 161 , 161 ′) are configured to clamp around one of the vibratory conduits ( 130 a , 130 b ).
8. The component ( 14 , 16 , 16 ′) of claim 7 wherein:
at least one fastener ( 162 ) fastens the first portion ( 161 ) to the second portion ( 161 ′) of the coil portion ( 164 ); and
at least one fastener ( 162 ) fastens the first portion ( 161 ) to the second portion ( 161 ′) of the magnet portion ( 165 ).
9. The component ( 14 , 16 , 16 ′) of claim 7 wherein:
an internal surface of the first portion ( 161 ) comprises at least one raised portion configured to reduce a contact surface between the first portion ( 161 ) and one of the vibratory conduits ( 130 a , 130 b ); and
an internal surface of the second portion ( 161 ′) comprises at least one raised portion configured to reduce a contact surface between the second portion ( 161 ′) and one of the vibratory conduits ( 130 a , 130 b ).
10. A brace bar ( 140 , 140 ′, 140 a , 140 a ′) configured to removably attach to vibratory conduits ( 130 a , 130 b ) of a flowmeter ( 5 ), wherein the brace bar ( 140 , 140 ′, 140 a , 140 a ′) is repositionable about the vibratory conduits ( 130 a , 130 b ), comprising:
a brace bar body ( 141 a ) comprising end regions ( 150 a , 150 b ) shaped and dimensioned to abut the vibratory conduits ( 130 a , 130 b );
a strap ( 151 ) configured to be positioned around the vibratory conduits ( 130 a , 130 b ) and the brace bar body ( 141 a ), and fastenable to the brace bar body ( 141 a );
at least one protrusion ( 155 ) on the brace bar body ( 141 a ) being sized and dimensioned to create a contact point for the strap ( 151 ) between a central portion of the brace bar body ( 141 a ) and the vibratory conduit ( 130 a , 130 b ), wherein the magnitude of the protrusion ( 155 ) determines a draw-in tension range that is realized when a fastener ( 152 ) fastens the strap ( 151 ) to the brace bar body ( 141 a ).
11. The brace bar ( 140 , 140 ′, 140 a , 140 a ′) of claim 10 , comprising:
a plurality of apertures ( 153 ) defined by the strap ( 151 );
a hole ( 154 ) defined by the brace bar body ( 141 a ), wherein a fastener ( 152 ) is configured to pass through the plurality of apertures ( 153 ) and the hole ( 154 ) to fasten the strap ( 151 ) and the brace bar body ( 141 a ) to the vibratory conduits ( 130 a , 130 b ).
12. The brace bar ( 140 , 140 ′, 140 a , 140 a ′) of claim 10 , comprising:
at least one raised portion ( 148 ) disposed on an internal surface ( 157 ) of the brace bar body ( 1414 wherein the at least one raised portion ( 148 ) is configured to contact a vibratory conduit ( 130 a , 130 b ) when attached thereto.