Rotary engine oil lubrication system
阅读：618发布：2023-04-02
专利汇可以提供Rotary engine oil lubrication system专利检索，专利查询，专利分析的服务。并且A rotary engine oil lubrication system having a compact arrangement of oil pump and pressure regulator valves with one regulator valve regulating oil pressure for distribution to the engine''s main bearings, rotor bearings, phase gears and interior of the rotors and another regulator valve regulating the oil pressure up-stream of a cooler that acts to cool the oil prior to its distribution and with all the oil overage from the regulating operations of both these valves delivered directly to the suction chamber of the pump rather than to the engine''s oil tank from which the pump draws the used oil that drains from the engine.，下面是Rotary engine oil lubrication system专利的具体信息内容。
1. A rotary engine comprising a multipart housing including a rotor housing, an end housing having one side closing one side of said rotor housing and having an oppositely facing external side, another housing part closing the other side of said rotor housing, a crankshaft rotatably supported in bearings in said multipart housing, said crankshaft having an eccentric located in said rotor housing, a hollow rotor rotatably supported by a bearing on said eccentric, an internal tooth phase gear fixed to one side of and concentric with said rotor, an annular external tooth phase gear freely received about and concentric with said crankshaft and fixed to said end housing and meshing with said internal tooth gear, and a lubrication system comprising an oil tank secured to said multipart housing in an underneath location, an internal-external gear oil pump mounted about said crankshaft and secured to said external side of said end housing and having the external gear thereof driven by said crankshaft, said pump having a suction chamber and a pressure chamber, suction passage means in said multipart housing connecting said oil tank to said suction chamber, passage means in said crankshaft for distributing oil to said bearings and said phase gears for lubrication and also to the interior of said rotor for cooling, pressure passage means connecting said pressure chamber to said crankshaft passage means, drain passage means in said multipart housing for draining oil from said bearings and phase gears and the interior of said rotor to said oil tank, cooler means in said pressure passage means external of said multipart housing for cooling the oil prior to delivery to said bearings, said phase gears and the interior of said rotor, distribution pressure regulator valve means for regulating the oil pressure in said pressure passage means downstream of said cooler means at a predetermined value sufficient to provide adequate distribUtion to said bearings, said phase gears and the interior of said rotor over the engine''s normal speed range, cooler pressure regulator valve means for regulating the oil pressure in said pressure passage means upstream of said cooler means at a predetermined value substantially higher than said regulated distribution pressure but lower than the pressure limit of said cooler means, and both said pressure regulator valve means having an exhaust passage directly open to said suction chamber of said pump for delivering oil overage from their regulating operations directly to said suction chamber of said pump in shunt relation to said oil tank.
2. A rotary engine comprising a multipart housing including a rotor housing, an end housing having one side closing one side of said rotor housing and having an oppositely facing external side, another housing part closing the other side of said rotor housing, a crankshaft rotatably supported in bearings in said multipart housing, said crankshaft having an eccentric located in said rotor housing, a hollow rotor rotatably supported by a bearing on said eccentric, an internal tooth phase gear fixed to one side of and concentric with said rotor, an annular external tooth phase gear freely received about and concentric with said crankshaft and fixed to said end housing and meshing with said internal tooth gear, and a lubrication system comprising an oil tank secured to said multipart housing in an underneath location, an internal-external gear oil pump mounted about said crankshaft and secured to said external side of said end housing and having the external gear thereof driven by said crankshaft, said pump having a suction chamber and a pressure chamber, suction passage means in said multipart housing connecting said oil tank to said suction chamber, passage means in said crankshaft for distributing oil to said bearings and said phase gears for lubrication and also to the interior of said rotor for cooling, pressure passage means connecting said pressure chamber to said crankshaft passage means, drain passage means in said multipart housing for draining oil from said bearings and phase gears and the interior of said rotor to said oil tank, cooler means in said pressure passage means external of said multipart housing for cooling the oil prior to delivery to said bearings, said phase gears and the interior of said rotor, distribution pressure regulator valve means for regulating the oil pressure in said pressure passage means downstream of said cooler means at a predetermined value sufficient to provide adequate distribution to said bearings, said phase gears and the interior of said rotor over the engine''s normal speed range, cooler pressure regulator valve means for regulating the oil pressure in said pressure passage means upstream of said cooler means at a predetermined value substantially higher than said regulated distribution pressure but lower than the pressure limit of said cooler means, and both said pressure regulator valve means having an exhaust passage directly open to and elevated above said suction chamber of said pump for delivering oil overage under gravity from their regulating operations directly to said suction chamber of said pump in shunt relation to said oil tank.
3. A rotary engine comprising a multipart housing including a rotor housing, an end housing having one side closing one side of said rotor housing and having an oppositely facing external side, another housing part closing the other side of said rotor housing, a crankshaft rotatably supported in bearings in said multipart housing, said crankshaft having an eccentric located in said rotor housing, a hollow rotor rotatably supported by a bearing on said eccentric, an internal tooth phase gear fixed to one side of and concentric with said rotor, an annular external tooth phase gear freely received about and concentric with said crankshaft and fixed to said end housing and meshing with said internal tooth gear, and a lubrication system comprising an oil tank secured to said multipart housing in an underneath location, an internal-external gear oil pump mounted about said crankshaft and secured to said external side of said end housing and having the external gear thereof driven by said crankshaft, said pump having s suction chamber and a pressure chamber, suction passage means in said multipart housing connecting said oil tank to said suction chamber, passage means in said crankshaft for distributing oil to said bearings and said phase gears for lubrication and also to the interior of said rotor for cooling, pressure passage means connecting said pressure chamber to said crankshaft passage means, drain passage means in said multipart housing for draining oil from said bearings and phase gears and the interior of said rotor to said oil tank, cooler means in said pressure passage means external of said multipart housing for cooling the oil prior to delivery to said bearings, said phase gears and the interior of said rotor, distribution pressure regulator valve means mounted in said external side of said end housing for regulating the oil pressure in said pressure passage means downstream of said cooler means at a predetermined value sufficient to provide adequate distribution to said bearings, said phase gears and the interior of said rotor over the engine''s normal speed range, cooler pressure regulator valve means also mounted in said external side of said end housing adjacent said distribution pressure regulator valve means for regulating the oil pressure in said pressure passage means upstream of said cooler means at a predetermined value substantially higher than said regulated distribution pressure but lower than the pressure limit of said cooler means, and both said pressure regulator valve means having an exhaust passage directly open to said suction chamber of said pump for delivering oil overage from their regulating operations directly to said suction chamber of said pump in shunt relation to said oil tank.
4. A rotary engine comprising a multipart housing including a rotor housing, an end housing having one side closing one side of said rotor housing and having an oppositely facing external side, another housing part closing the other side of said rotor housing, a crankshaft rotatably supported in bearings in said multipart housing, said crankshaft having an eccentric located in said rotor housing, a hollow rotor rotatably supported by a bearing on said eccentric, an internal tooth phase gear fixed to one side of and concentric with said rotor, an annular external tooth phase gear freely received about and concentric with said crankshaft and fixed to said end housing and meshing with said internal tooth gear, and a lubrication system comprising an oil tank secured to said multipart housing in an underneath location, an internal-external gear oil pump mounted about said crankshaft and secured to said external side of said end housing and having the external gear thereof driven by said crankshaft, said pump having a suction chamber and a pressure chamber, suction passage means in said multipart housing connecting said oil tank to said suction chamber, passage means in said crankshaft for distributing oil to said bearings and said phase gears for lubrication and also to the interior of said rotor for cooling, pressure passage means connecting said pressure chamber to said crankshaft passage means, drain passage means in said multipart housing for draining oil from said bearings and phase gears and the interior of said rotor to said oil tank, cooler means in said pressure passage means external of said multipart housing for cooling the oil prior to delivery to said bearings, said phase gears and the interior of said rotor, a filter in said pressure passage means downstream of said cooler, a bypass valve for bypassing said filter when the pressure differential thereacross exceeds a predetrmined value, distribution pressure regulator valve means mounted in said external side of said end housing for regulating the oIl pressure in said pressure passage means downstream of said cooler means at a predetermined value sufficient to provide adequate distribution to said bearings, said phase gears and the interior of said rotor over the engine''s normal speed range, cooler pressure regulator valve means also mounted in said external side of said housing adjacent said distribution pressure regulator valve means for regulating the oil pressure in said pressure passage means upstream of said cooler means at a predetermined value substantially higher than said regulated distribution pressure but lower than the pressure limit of said cooler means, and both said pressure regulator valve means having an exhaust passage directly open to and elevated above said suction chamber of said pump for delivering oil overage under pressure from their regulating operations directly to said suction chamber of said pump in shunt relation to said oil tank.
5. A rotary engine comprising a multipart housing including a rotor housing, an end housing having one side closing one side of said rotor housing and having an oppositely facing external side, another housing part closing the other side of said rotor housing, a crankshaft rotatably supported in bearings in said multipart housing, said crankshaft having an eccentric located in said rotor housing, a hollow rotor rotatably supported by a bearing on said eccentric, an internal tooth phase gear fixed to one side of and concentric with said rotor, an annular external tooth phase gear freely received about and concentric with said crankshaft and fixed to said end housing and meshing with said terminal tooth gear, and a lubrication system comprising an oil tank secured to said multipart housing in an underneath location, an internal-external gear oil pump mounted about said crankshaft and secured to said external side of said end housing and having the external gear thereof driven by said crankshaft, said pump having a suction chamber and a pressure chamber, suction passage means in said multipart housing connecting said oil tank to said suction chamber, passage means in said crankshaft for distributing oil to said bearings and said phase gears for lubrication and also to the interior of said rotor for cooling, pressure passage means connecting said pressure chamber to said crankshaft passage means, drain passage means in said multipart housing for draining oil from said bearings and phase gears and the interior of said rotor to said oil tank, cooler means in said pressure means external of said multipart housing for cooling the oil prior to delivery to said bearings, said phase gears and the interior of said rotor, distribution pressure regulator valve means including a spring biased valve member mounted for reciprocal movement in said external side of said end housing for regulating the oil pressure in said pressure passage means downstream of said cooler means at a predetrmined value sufficient to provide adequate distribution to said bearings, said phase gears and the interior of said rotor over the engine''s normal speed range, cooler pressure regulator valve means including a spring biased valve member also mounted for reciprocal movement in said external side of said end housing adjacent said distribution pressure regulator valve means for regulating the oil pressure in said pressure passage means upstream of said cooler means at a predetermined value substantially higher than said regulated distribution pressure but lower than the pressure limit of said cooler means, and both said valve members having an exhaust passage therein directly open to and elevated above said suction chamber of said pump for delivering oil overage under pressure from their regulating operations directly to said suction chamber of said pump in shunt relation to said oil tank.
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