Pneumatic control system and parts therefor or the like
    21.
    发明授权
    Pneumatic control system and parts therefor or the like 失效
    气动控制系统及其部件

    公开(公告)号:US3672792A

    公开(公告)日:1972-06-27

    申请号:US3672792D

    申请日:1970-08-26

    发明人: SCOTT DOUGLAS R

    IPC分类号: D06F33/10 G05B19/44 F04B49/00

    CPC分类号: G05B19/44 D06F33/10

    摘要: THIS DISCLOSURE RELATES TO A LAUNDRY MACHINE WHEREIN THE ROTATING LAUNDRY CONFINING DRUM OR TUB IS OPERATIVELY INTERCONNECTED TO A VACUUM PUMP TO CAUSE CONTINUOUS OPERATION OF THE VACUUM PUMP DURING THE ENTIRE MOVEMENT OF THE CONFINING MEANS SO AS TO PROVIDE A SOURCE OF VACUUM FOR CONTROLLING VACUUM OPERATED ACTUATORS OF THE APPARATUS. IN ADDITION, A PNEUMATICALLY OPERATED TIMER CONTROLLING THE "ON-OFF" OPERATION OF THE LAUNDRY MACHINE IS REPETITIVELY ACTUATED AND DEACTUATED BY THE MOVEMENT OF THE LAUNDRY CONFINING MEANS.