Pneumatic pressure indicator
    41.
    发明授权
    Pneumatic pressure indicator 失效
    气压指示器

    公开(公告)号:US3739637A

    公开(公告)日:1973-06-19

    申请号:US3739637D

    申请日:1971-04-19

    Applicant: NOVAK G

    Inventor: NOVAK G

    CPC classification number: B60C23/0403 B60C23/04 G01L17/00 Y10T137/3693

    Abstract: A pneumatic tire pressure gauge or filler device having an adjustable biasing means for setting the air pressure which is contained in a tire. The device includes a whistle aperture whereby when the pressure contained in the tire is above the adjusted pressure, the excess pressure will escape through the aperture and emit a whistling sound.

    Abstract translation: 一种充气轮胎压力表或填充装置,其具有用于设定包含在轮胎中的空气压力的可调偏置装置。 该装置包括口哨孔,由此当包含在轮胎中的压力高于调节压力时,过量的压力将通过该孔逸出并发出呼啸声。

    Tire pressure warning device
    42.
    发明授权
    Tire pressure warning device 失效
    轮胎压力警告装置

    公开(公告)号:US3605679A

    公开(公告)日:1971-09-20

    申请号:US3605679D

    申请日:1969-09-30

    Inventor: VOLAND GEORGE W

    CPC classification number: B60C23/0403 Y10T137/3662

    Abstract: A TIRE PRESSURE WARNING DEVICE WHICH INCLUDES AN ENCLOSURE HAVING A MOVABLE WALL DIVIDING THE INTERIOR THEREOF INTO FIRST AND SECOND CHAMBERS. AN ACTUATE IS OPERATIVELY CONNECTED TO THE WALL FOR MOVEMENT IN RESPONSE TO MOVEMENT OF THE WALL TO ACTUATE THE WARNING DEVICE WHICH, PREFERABLY, COMPRISES A BLANK A CARTRIDGE WHICH IS FIRED. FLUID PRESSURE IS ADMITTED TO THE FIRST CHAMBER AT A GIVEN PRESSURE CORRESPONDING TO THE DESIRED TIRE PRESSURE SO THAT THE GIVEN PRESSURE ACTS AGAINS ONE SIDE OF THE MOVABLE WALL. THE SECOND CHAMBER IS MAINTAINED IN FLUID COMMUNICATION WITHE THE INTERIOR OF THE TIRE SO THAT THE ACTUAL TIRE PRESSURE ACTS ON THE OTHER SIDE OF THE MOVABLE WALL WHEREBY A CHANGE IN THE ACTUAL TIRE PRESSURE MOVES THE WALL TO THEREBY MOVE THE ACTUATR TO ACTUATE THE WARNING DEVICE. THE PRESSURE IN THE FIRST CHAMBER MAY BE VARIED OR PRESET TO EQUALIZE THE ACTUAL TIRE PRESSURE IN THE SECOND CHAMBER WHEN THE TIRE IS PROPERLY INFLATED TO ACCOMMODATE VARIOUS SIZES AND TYPES OF TIRE HAVING VARIOUS OPERATING PRESSURES.

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