A clutch member for use in a generator clutch has actuation structure including a face with a ramp. The ramp has a ramp angle of between 6.2° and 6.4°. The clutch member may be a sliding decoupler shaft. In addition, a rotor and a generator including the clutch members are also disclosed and claimed
A clutch member for use in a generator clutch has actuation structure including a face with a ramp. The ramp has a ramp angle of between 6.2° and 6.4°. The clutch member may be a sliding decoupler shaft. In addition, a rotor and a generator including the clutch members are also disclosed and claimed.
대표청구항▼
1. A clutch member for use in a generator clutch comprising: actuation structure including a face with a ramp;the ramp having a ramp angle of between 6.2° and 6.4°;said clutch member is a sliding decoupler shaft having a first end provided with splines to slide along a generator rotor shaft, a secon
1. A clutch member for use in a generator clutch comprising: actuation structure including a face with a ramp;the ramp having a ramp angle of between 6.2° and 6.4°;said clutch member is a sliding decoupler shaft having a first end provided with splines to slide along a generator rotor shaft, a second end having said actuation structure, and including teeth to mesh with teeth on an opposed jaw clutch;an enlarged portion on said shaft is inward of said ramp from said second end, said enlarged portion having a diameter which is greater than an outer diameter of said ramp; andsaid enlarged portion has a truncated portion, with said truncated portion formed at a secant to a remainder of the enlarged portions at locations not having said truncated portion, and a ratio of a radius to said truncated portion to a radius of said enlarged portion at locations not having said truncated portion being between 0.80 and 0.85. 2. The clutch member as set forth in claim 1, wherein said clutch member includes a spring that normally biases the clutch member into engagement, said spring being within a bore in said clutch member. 3. The clutch member as set forth in claim 1, wherein said first end of said shaft is formed to have a greater diameter than a central portion of said shaft which connects said first end of said shaft to said actuation structure of said shaft, and there being a ledge connecting said first end and said central portion. 4. The clutch member as set forth in claim 1, wherein an oil dam is mounted within said central portion, and extends axially from said central portion of said shaft and beyond said ledge. 5. The clutch member as set forth in claim 1, wherein an inner diameter of said actuation structure of said shaft has a diameter, and a diameter of said central portion of said shaft being of a smaller diameter with a ratio of inner/outer diameters of the center portion of said shaft being between 0.70 and 0.76, and wherein a ratio of said diameter of said actuation structure of said shaft to said diameter of said central portion of said shaft being between 0.92 and 1.00. 6. The clutch member as set forth in claim 1, wherein ends of said secant are spaced by 67° about a center axis of said shaft. 7. A rotor for a generator comprising: a rotor shaft, said rotor shaft receiving a winding section, and said rotor shaft further receiving a sliding clutch shaft in an internal bore, said clutch shaft and rotor shaft each having splines which guide the clutch shaft for sliding movement within said rotor shaft;said clutch shaft having a first end provided with said splines, and a second end having actuation structure including teeth to mesh with teeth on an opposed jaw clutch, said actuation structure further including a face with a ramp to receive an actuation yoke, and said ramp having a ramp angle of between 6.2 and 6.4°an enlarged portion on said shaft is inward of said ramp from said second end, said enlarged portion having a diameter which is greater than an outer diameter of said ramp; andsaid enlarged portion has a truncated portion, with said truncated portion formed at a secant to a remainder of the enlarged portions at locations not having said truncated portion, and a ratio of a radius to said truncated portion to a radius of said enlarged portion at locations not having said truncated portion being between 0.80 and 0.85. 8. The rotor as set forth in claim 7, wherein said first end of said clutch shaft is formed to have a greater diameter than a central portion of said shaft which connects said first end of said shaft to said actuation structure of said shaft, and there being a ledge connecting said first end and said central portion. 9. The rotor as set forth in claim 8, wherein an oil dam is mounted within said central portion of said shaft, and extends axially from said central portion of said shaft and beyond said ledge. 10. The rotor as set forth in claim 9, wherein an oil tube is supported within said oil dam at one end, and is fixed at another end to structure which in turn connects to said rotor shaft. 11. The rotor as set forth in claim 8, wherein an inner diameter of said actuation structure of said shaft has a diameter, and a diameter of said central portion of said shaft being of a smaller diameter, and wherein a ratio of said diameter of said actuation structure of said shaft to said diameter of said central portion of said shaft being between 0.92 and 1.00. 12. The rotor as set forth in claim 7, wherein ends of said secant are spaced by 67° about a center axis of said shaft. 13. A generator comprising: a stator surrounding a rotor shaft, said rotor shaft receiving a winding section, and said rotor shaft further receiving a sliding clutch shaft in an internal bore, said clutch shaft and rotor shaft each having splines which guide the clutch shaft for sliding movement within said rotor shaft;said clutch shaft having a first end provided with said splines, and a second end having actuation structure including teeth to mesh with teeth on an opposed jaw clutch, said actuation structure further including a face with a ramp to receive an actuation yoke, and said ramp having a ramp angle of between 6.2 and 6.4°;an enlarged portion on said shaft is inward of said ramp from said second end, said enlarged portion having a diameter which is greater than an outer diameter of said ramp; andsaid enlarged portion has a truncated portion, with said truncated portion formed at a secant to a remainder of the enlarged portions at locations not having said truncated portion, and a ratio of a radius to said truncated portion to a radius of said enlarged portion at locations not having said truncated portion being between 0.80 and 0.85. 14. The generator as set forth in claim 13, wherein said first end of said clutch shaft is formed to have a greater diameter than a central portion of said shaft which connects said first end of said shaft to said actuation structure of said shaft, and there being a ledge connecting said first end and said central portion. 15. The generator as set forth in claim 14, wherein an oil dam is mounted within said central portion of said shaft, and extends axially from said central portion of said shaft and beyond said ledge. 16. The generator as set forth in claim 15, wherein an oil tube is supported within said oil dam at one end, and is fixed at another end to structure which in turn connects to said rotor shaft. 17. The generator as set forth in claim 15, wherein an inner diameter of said actuation structure of said shaft has a diameter, and a diameter of said central portion of said shaft being of a smaller diameter, and wherein a ratio of said diameter of said actuation structure of said shaft to said diameter of said central portion of said shaft being between 0.92 and 1.00. 18. The generator as set forth in claim 13, wherein ends of said secant are spaced by 67° about a center axis of said shaft.
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