Classifications

• • G—PHYSICS
  • G07—CHECKING-DEVICES
  • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
  • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
  • G07C3/14—Quality control systems
• • 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
  • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
  • G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
  • G01M3/00—Investigating fluid-tightness of structures
  • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
  • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
  • G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
  • G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
  • G01M3/3263—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers using a differential pressure detector

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Automation & Control Theory (AREA)
• Quality & Reliability (AREA)
• Examining Or Testing Airtightness (AREA)

Priority Applications (1)

Applications Claiming Priority (3)

Publications (1)

Family

ID=27409253

Family Applications (1)

Country Status (6)

Families Citing this family (1)

• 1965
  • 1965-05-07 DE DE1965A0049154 patent/DE1473670B2/de active Pending
  • 1965-05-11 BE BE663745D patent/BE663745A/xx unknown
  • 1965-05-12 CH CH659865A patent/CH454491A/de unknown
  • 1965-05-13 GB GB2034065A patent/GB1082736A/en not_active Expired
  • 1965-05-14 FR FR17144A patent/FR1442575A/fr not_active Expired
  • 1965-07-29 GB GB3254465A patent/GB1121151A/en not_active Expired
  • 1965-08-23 DE DE1965A0050078 patent/DE1473673A1/de active Pending
  • 1965-08-23 BE BE668676D patent/BE668676A/xx unknown
  • 1965-08-27 SE SE1123565A patent/SE317824B/xx unknown
  • 1965-09-01 FR FR30091A patent/FR88691E/fr not_active Expired
• 1966
  • 1966-06-16 SE SE825066A patent/SE318129B/xx unknown

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