Oil pressure control equipment
A technology of oil pressure control and equipment, which is applied in the direction of mechanical equipment, transmission device control, fluid pressure actuation device, etc., and can solve the problem of slow reciprocating cycle of the valve core
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[0020] An embodiment will be described below with reference to the drawings.
[0021] The vehicle's automatic shift 2 has figure 1 Oil pressure control device 1 shown. The oil pressure control device 1 controls the friction elements 5a-5e of the automatic shift 2 by controlling the supply pressure supplied to the friction elements 5a-5e. Vehicles with Autoshift 2 employ an idle stop system to suspend the internal combustion engine (not shown) when the shift position is in the forward drive range and when the vehicle's speed is below a predetermined value.
[0022] Automatic shifting 2 is a step-by-step transmission including a torque converter (not shown) connected to a crankshaft (not shown) of an internal combustion engine, a planetary gear transmission (not shown), friction elements 5a-5e and oil Pressure control device 1. The transmission mechanism has planetary gears (not shown). The friction elements 5a-5e transmit the torque of a rotating element such as a planetary...
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