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AssigneeJtekt Corporation
InventorsYoshimichi HIGASHIYAMA, Masami NAKA, Tsukasa SAKAZAKI
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A control apparatus controls driving of an oil feeding unit. The oil feeding unit includes a piezoelectric body that deforms in response to a voltage applied thereto, and a reservoir to store lubricating oil. The capacity of the reservoir changes in accordance with deformation of the piezoelectric body so as to discharge lubricating oil from the oil feeding unit. The control apparatus includes N driving circuits 71a to 71n configured to apply voltages to the piezoelectric body (where N is an integer equal to or greater than two). The N driving circuits 71a to 71n are connected in parallel to the piezoelectric body. During oil feeding, the control apparatus uses a predetermined number of the driving circuits selected from the N driving circuits. The predetermined number is smaller than
An apparatus for controlling driving of a fluid feeder, the fluid feeder including a piezoelectric element that deforms in response to voltage application, and a reservoir to store fluid to be fed, the fluid feeder being configured to cause a change in capacity of the reservoir in accordance with first deformation of the piezoelectric clement so as to discharge the fluid from the reservoir,
A method for controlling a fluid feeder to feed fluid, the fluid feeder including a piezoelectric element that deforms in response to voltage application, and a reservoir to store the fluid to be fed, the fluid feeder being configured to cause a change in capacity of the reservoir in accordance with deformation of the piezoelectric element so as to discharge the fluid from the reservoir, the piezoelectric element being connected in parallel to a plurality of driving circuits configured to be able to apply voltages to the piezoelectric element,
Dependencies are inferred from the claim text.