Lubricating system for internal combustion engine

Details Lubricating system for internal combustion engine Lubricating system for internal combustion engine

F - Mech Eng,Light,Heat,Weapons

01

M

F01M 11/02 (2006.01) F01M 1/12 (2006.01) F01M 1/16 (2006.01)

Patent

CA 2345592

An oil passage extending from an oil pump to a discharge port in an internal combustion engine is, at its halfway point, branched into at least two oil passages, for example, a first oil passage 44 and a second oil passage 45; and one of the at least two branched oil passages, for example, the second oil passage 45 is provided with a restricting portion configured as a first orifice 83 for restricting a flow amount of oil by reducing a diameter of the first orifice 83, and a bypass valve 92 which acts, when a hydraulic pressure in the second oil passage 45 exceeds a specific value, to bypass the first orifice 83 so as to increase the flow rate of oil. It is possible to increase the hydraulic pressure at the time of low speed rotation up to a necessary pressure only by providing the restricting portion, without enhancing the performance of the oil pump. Accordingly, it is possible to suppress the increase in weight and cost of the lubricating system as compared with the prior art lubricating system in which the performance of the oil pump is enhanced, and since it is not required to increase the rotational speed of the oil pump, it is possible to prevent the loss in output of the internal combustion engine due to the increased friction of the oil pump. Further, it is possible to prevent excess increase in pressure of the oil passage by the effect of the bypass valve.

Affiliated with

Also associated with

Rating

Lubricating system for internal combustion engine does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Lubricating system for internal combustion engine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lubricating system for internal combustion engine will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1560228