| 摘要 |
A lubricating arrangement for an automatic power transmission has a lubricant circuit for communication between a pressurized fluid source and a component of the automatic power transmission to be lubricated. A flow restriction means is disposed within the lubricating circuit. The flow restriction means incorporated in the lubricating arrangement introduces a twin choke construction for providing sufficient magnitude of flow restriction for the lubricating fluid supplied from the pressurized fluid source for preventing excess fluid from flowing through the lubricating circuit which causes a drop of supply pressure and/or flow rate in the pressurized fluid source and blocking of the fluid flow path due to accumulation of foreign matters, such as dust, dirt and so forth. The flow restriction means comprises a first choke and a second choke arranged in tandem fashion across a fluid reservoir provided therebetween.
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