Toyota P310 CVT: Difference between revisions
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Revision as of 17:41, 20 December 2024
Description
The P310 is considered a third generation e-CVT with two planetary gearsets, one for "motor speed reduction" which reduces the speed of the MG1 rotor. Derivatives include P311, P312, P313, and P314 (should these get their own pages?).
Model Code
Applications
P310
MG2 drive motor 1JM[1]
- Toyota Highlander (2006-2010)
- Toyota Kluger Hybrid
- Toyota Harrier Hybrid
- Lexus RX 400h (2005-?)
P311
MG2 drive motor 2JM[1]
- Toyota Camry Hybrid
- Lexus HS250h
P312
- Nissan Altima Hybrid
P313
MG2 drive motor 6JM[1]
- Lexus RX 450h
- Toyota Highlander
P314
MG2 drive motor 2JM[1]
- Toyota Camry Hybrid
- Lexus NX 300h
- Toyota RAV4 Hybrid
Specifications
MG1
Rated Voltage: 650V
Max Output: ? P310, 35kW (estimate from 2007 ORNL Camry testing, see page 79)[2] P311, ? P312-P314
MAX RPM: ?
Power Split Device (PSD)
Planetary gears (4x) 23 teeth - carrier connected to transaxle input shaft and oil pump
Sun gear 30 teeth - connected to MG1
Ring gear 78 teeth - inside Drive Gear
Locked input shaft (stationary carrier) gives -2.6:1 ratio from MG1 to Drive Gear
MG2
Rated Voltage: 650V
Max Output Power: 123kW (P310)[3] 105kW - published, 70kW 18 second rating to 150C stator temp at 25C coolant temp[2] (P311), 123kW (P313)[1], 105kw - published (P314)[1]
Max Output Torque: 333Nm (P310)[3], 270Nm (P311)[2], 325Nm (P313)[1], 270Nm (P314)[1]
Max RPM: 12,400 (P310)[3], 14,000RPM (P311)[2]
Motor Speed Reduction Gearset (MSR)[2][4]
Planetary gears (5x) 18 teeth - carrier connected to case/fixed.
Sun gear 22 teeth (P310) 23 teeth (P311) - connected to MG2
Ring gear 58 teeth (P310) 57 teeth (P311) - inside Drive Gear
MG2 to Drive Gear ratio 2.636 (P310) 2.478:1 (P311)
Final Drive Ratio[2][4]
Drive Gear 55 teeth - contains PSD and MSR ring gears
Counter Driven Gear 54 teeth - on same shaft as Final Drive gear
Drive Gear to Counter Driven Gear ratio 1.0815:1
Final Drive Gear 23 teeth (P310, P311)
Differential Ring Gear (Final Driven Gear) 80 teeth (P310, P311)
Final Drive Ratio 3.478:1 (P310, P311)
MG2 to axle output total gear ratio 9.339:1 (P310) 8.778:1 (P311)
MG1 to axle output total gear ratio with locked input shaft 9.779 (P310, P311)
Oil Pump
Trochoid pump driven by engine shaft. The pump is mounted externally on the case.
Fluid Capacity
??L of Toyota WS fluid.
Dimensions
Weight
P311 Camry: 108kg[2]
Connections
MG1 Stator
MG2 Stator
MG1 Resolver
MG2 Resolver
Park Shift Linkage Motor
Reference
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 https://toyota-club.net/files/faq/21-12-01_faq_hybrid_tr_en.htm
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 https://www.osti.gov/servlets/purl/928684
- ↑ 3.0 3.1 3.2 https://www.jstage.jst.go.jp/article/ieejias/126/4/126_4_473/_pdf/-char/en
- ↑ 4.0 4.1 https://info.ornl.gov/sites/publications/files/pub26762.pdf