PT101129A - Celula de deteccao e medicao de cargas propria para detectar forcas - Google Patents

Celula de deteccao e medicao de cargas propria para detectar forcas

Info

Publication number
PT101129A
PT101129A PT101129A PT10112992A PT101129A PT 101129 A PT101129 A PT 101129A PT 101129 A PT101129 A PT 101129A PT 10112992 A PT10112992 A PT 10112992A PT 101129 A PT101129 A PT 101129A
Authority
PT
Portugal
Prior art keywords
cargo
detection cell
detect forces
medication
proposed
Prior art date
Application number
PT101129A
Other languages
English (en)
Portuguese (pt)
Inventor
Thomas H Johnson
Original Assignee
Weigh Troni Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weigh Troni Inc filed Critical Weigh Troni Inc
Publication of PT101129A publication Critical patent/PT101129A/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/097—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by vibratory elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
    • G01L1/162—Measuring force or stress, in general using properties of piezoelectric devices using piezoelectric resonators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/2206—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0005—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using variations in capacitance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G01L9/0022—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Measurement Of Force In General (AREA)
PT101129A 1992-04-03 1992-12-15 Celula de deteccao e medicao de cargas propria para detectar forcas PT101129A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/863,162 US5313023A (en) 1992-04-03 1992-04-03 Load cell

Publications (1)

Publication Number Publication Date
PT101129A true PT101129A (pt) 1994-06-30

Family

ID=25340424

Family Applications (1)

Application Number Title Priority Date Filing Date
PT101129A PT101129A (pt) 1992-04-03 1992-12-15 Celula de deteccao e medicao de cargas propria para detectar forcas

Country Status (13)

Country Link
US (1) US5313023A (cg-RX-API-DMAC7.html)
EP (1) EP0634003B1 (cg-RX-API-DMAC7.html)
JP (1) JP2695291B2 (cg-RX-API-DMAC7.html)
KR (1) KR100235129B1 (cg-RX-API-DMAC7.html)
CN (1) CN1054432C (cg-RX-API-DMAC7.html)
AU (1) AU2777492A (cg-RX-API-DMAC7.html)
CA (1) CA2133456C (cg-RX-API-DMAC7.html)
DE (1) DE69212847T2 (cg-RX-API-DMAC7.html)
MX (1) MX9301932A (cg-RX-API-DMAC7.html)
PT (1) PT101129A (cg-RX-API-DMAC7.html)
TW (1) TW234740B (cg-RX-API-DMAC7.html)
WO (1) WO1993020413A1 (cg-RX-API-DMAC7.html)
ZA (1) ZA928933B (cg-RX-API-DMAC7.html)

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CN1054432C (zh) 2000-07-12
CA2133456C (en) 1999-12-14
US5313023A (en) 1994-05-17
EP0634003A1 (en) 1995-01-18
WO1993020413A1 (en) 1993-10-14
KR100235129B1 (ko) 1999-12-15
AU2777492A (en) 1993-11-08
DE69212847D1 (de) 1996-09-19
EP0634003B1 (en) 1996-08-14
MX9301932A (es) 1994-08-31
TW234740B (cg-RX-API-DMAC7.html) 1994-11-21
DE69212847T2 (de) 1996-12-19
CN1077024A (zh) 1993-10-06
CA2133456A1 (en) 1993-10-14
JPH07505472A (ja) 1995-06-15
JP2695291B2 (ja) 1997-12-24
KR950701068A (ko) 1995-02-20
ZA928933B (en) 1994-05-19

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