Пружина золотника предохранительного клапана масляного насоса двигателя Caterpillar 417-2406

An Engine Oil Pump Pressure Relief Spool Spring works in conjunction with the pressure relief spool to regulate the oil pressure delivered to the engine. When oil pressure rises above the set threshold, the force of the oil pushes against the spool, compressing the spring and opening a bypass passage. This allows excess oil to return to the sump, maintaining safe and consistent oil pressure within the engine. When the pressure drops, the spring forces the spool back to its original position, closing the bypass. This mechanism prevents potential engine damage due to excessive oil pressure and ensures consistent lubrication of engine components.Attributes:• Prevents over-pressurization by controlling spool movement.• Consistent spring force under repeated thermal cycles.• Retains its elasticity over long-term operation.• The direction of the coil is the right-hand side.Applications: An Engine Oil Pump Pressure Relief Spool Spring is located inside the oil pump, regulating the pressure relief spool to maintain proper engine lubrication by diverting excess oil when pressure exceeds system limits.