Measuring and testing – Vibration – Sensing apparatus
Patent
1998-12-17
2000-08-29
Chapman, John E.
Measuring and testing
Vibration
Sensing apparatus
366123, 404117, G01H 1102, E01C 1938
Patent
active
061091111
ABSTRACT:
In a concrete finishing machine having a plurality of vibrators to be at least partially submerged in concrete or other semi-fluid viscous material for vibration thereof, a monitor is provided for displaying and/or recording operational parameters of the plurality of vibrators. The monitor includes a display, responsive to signals generated by sensors operatively associated with the plurality of vibrators, for providing a visual indication of operating parameters for the plurality of vibrators, and a recording device receiving the signals generated by sensors operatively associated with the plurality of vibrators and recording the operating parameters for the plurality of vibrators.
REFERENCES:
patent: 3814532 (1974-06-01), Barrett et al.
patent: 4057222 (1977-11-01), Lyle
patent: 5564824 (1996-10-01), Chaplin et al.
patent: 5618133 (1997-04-01), Mitsui et al.
patent: 5719338 (1998-02-01), Magalski et al.
patent: 5983165 (1999-11-01), Minnich et al.
"Hall Effect Speed Sensing in Gerotor Hydraulic Motors" by James M. Dowling (pp. 61-69). (undated).
Display entitled "Vibrator Speed Control" displayed by Minnich Mfg. at ConExpo-Con/Agg Trade Show, Las Vegas, NV, Mar. 20-24, 1996.
Handout entitled "Check Out This Demonstration . . . of the Smart Hydraulic Paving Vibrator" provided by Wyco Tool Co. at ConExpo-Con/Agg Trade Show, Mar. 20-24, 1996.
Handout entitled "Minnich Introduces . . . Auto Vib" provided by Minnich Mfg. at ConExpo-Con/Agg Trade Show, Mar. 20-24, 1996.
Handout entitled "Auto Vibe II--The 2nd Generation" provided by Minnich Mfg. at World of Concrete Show, Orlando, FL, Jan. 18-21, 1998.
Chaplin James
Heimbruch Glenn A.
Chapman John E.
Racine Federated Inc.
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