Textiles: fluid treating apparatus – Machines – Single tub and automatic sequential operation mechanism
Patent
1990-01-16
1991-04-09
Coe, Philip R.
Textiles: fluid treating apparatus
Machines
Single tub and automatic sequential operation mechanism
318281, 318284, 318443, D06F 3740
Patent
active
050053825
ABSTRACT:
An electromechanical A.C. motor reverser having a timed cam-driven SPDT switch with the side terminals thereof connected to separate motor stator coils. The movement of the transfer blade between contacts to break one motor coil circuit and complete the other reversing motor coil circuit is delayed sufficiently by the cam to permit the motor rotor speed to decay enought to enable reversal of rotation upon completion of the reversing coil circuit. The minimum contact transfer time is set at the period corresponding to two cycles of power line current.
REFERENCES:
patent: 1816033 (1931-07-01), Wilsey
patent: 2537155 (1951-01-01), Olsen
patent: 2756580 (1956-07-01), Castner
patent: 3247435 (1966-04-01), Baumhart et al.
patent: 3375685 (1968-04-01), Scott
patent: 3601675 (1971-08-01), Raotke
Coe Philip R.
Eaton Corporation
Johnston R. A.
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