Classifications

• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06G—ANALOGUE COMPUTERS
  • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
  • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor
  • G06G7/20—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for evaluating powers, roots, polynomes, mean square values or standard deviation
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B30—PRESSES
  • B30B—PRESSES IN GENERAL
  • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
  • B30B11/20—Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring
  • B30B11/201—Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring for extruding material
  • B30B11/202—Ring constructions
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
  • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
  • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
  • F01D5/12—Blades
  • F01D5/14—Form or construction
  • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
  • F01D5/181—Blades having a closed internal cavity containing a cooling medium, e.g. sodium
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06G—ANALOGUE COMPUTERS
  • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
  • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor
  • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for multiplication or division
  • G06G7/161—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for multiplication or division with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Theoretical Computer Science (AREA)
• Mathematical Physics (AREA)
• General Physics & Mathematics (AREA)
• Computer Hardware Design (AREA)
• Software Systems (AREA)
• Mechanical Engineering (AREA)
• Power Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Extrusion Moulding Of Plastics Or The Like (AREA)
• Press Drives And Press Lines (AREA)
• Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
• Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=7308189

Family Applications (1)

Country Status (6)

Families Citing this family (1)

• 1966
  • 1966-05-06 DE DEM55055U patent/DE1945073U/de not_active Expired
• 1967
  • 1967-04-13 NL NL6705226A patent/NL6705226A/xx unknown
  • 1967-04-14 FR FR102813A patent/FR1519184A/fr not_active Expired
  • 1967-04-19 BE BE697227D patent/BE697227A/xx unknown
  • 1967-04-24 ES ES339673A patent/ES339673A1/es not_active Expired
  • 1967-04-24 GB GB18855/67A patent/GB1132418A/en not_active Expired

Also Published As

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