| 摘要 |
A pressure control valve for an automatic transmission in a motor vehicle includes a housing, a valve slide which is guided in the housing and which has multiple adjacent sections, a first section having a first diameter, a second section adjacent thereto having a second diameter smaller than the first diameter, and a third section having the first diameter adjacent to the second section. An inflow pressure opening is assigned to the first section, a control pressure opening is assigned to the second section and a return flow opening is assigned to the third section. An electromagnetic actuating device acts upon the valve slide via a piston, which is guided pressure-tight in the housing.
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