Hybrid vehicle and downshifting strategy in a hybrid vehicle
US-9758149-B2 · Sep 12, 2017 · US
Temperature based clutch control
US10487891B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10487891-B2 |
| Application number | US-201615015642-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 4, 2016 |
| Priority date | Feb 4, 2016 |
| Publication date | Nov 26, 2019 |
| Grant date | Nov 26, 2019 |
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- Title
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Abstract
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A vehicle includes a clutch to couple a motor and transmission, and a controller that, in response to a regenerative braking request and a temperature being within a first range, partially capacitizes the clutch for regenerative torque transfer therethrough with slip, and in response to another regenerative braking request and the temperature being within a second range less than the first, fully capacitizes the clutch prior to regenerative torque transfer therethough to preclude slip.
First claim
Opening claim text (preview).
What is claimed is: 1. A vehicle comprising: a clutch to couple a motor and transmission; and a controller programmed to, in response to a regenerative braking request and an ambient, engine coolant, motor coil, motor inverter coolant, or transmission oil temperature being within a first range, partially capacitize the clutch for regenerative torque transfer therethrough with slip, and in response to another regenerative braking request and the ambient, engine coolant, motor coil, motor inverter coolant, or transmission oil temperature being within a second range less than the first, fully capacitize the clutch prior to regenerative torque transfer therethough to preclude slip. 2. The vehicle of claim 1 , wherein the controller is further programmed to command a shift during regenerative torque transfer through the clutch without slip while the ambient, engine coolant, motor coil, motor inverter coolant, or transmission oil temperature is within the second range. 3. The vehicle of claim 1 , wherein the controller is further programmed to command a change in amount of the another regenerative braking request during regenerative torque transfer through the clutch without slip while the ambient, engine coolant, motor coil, motor inverter coolant or transmission oil temperature is within the second range. 4. The vehicle of claim 1 , wherein the controller is further programmed to command driveline damping during regenerative torque transfer through the clutch without slip while the ambient engine coolant, motor coil, motor inverter coolant, or transmission oil temperature is within the second range. 5. A vehicle comprising: a clutch configured to couple a motor and transmission; and a controller programmed to, in response to an. ambient. engine coolant, motor coil, motor inverter coolant, or transmission oil temperature being within a first range, partially capacitize the clutch during propulsive torque transfer therethrough, and in response to regenerative braking request and the ambient, engine coolant, motor coil, motor inverter coolant, or transmission oil temperature being within a second range less than the first, fully capacitize the clutch prior to regenerative torque transfer therethough. 6. The vehicle of claim 5 , wherein the controller is further programmed to command a shift during regenerative torque transfer through the clutch without slip while the ambient, engine coolant, motor coil, motor inverter coolant, or transmission oil temperature is within the second range. 7. The vehicle of claim 5 , wherein the controller is further programmed to command a change in amount of the another regenerative braking request during regenerative torque transfer through the clutch without slip while the ambient, engine coolant, motor coil motor inverter coolant, or transmission oil temperature is within the second range. 8. The vehicle of claim 5 , wherein the controller is further programmed to command driveline damping during regenerative torque transfer through the clutch without slip while the ambient, engine coolant, motor coil, motor inverter coolant, or transmission oil temperature is within the second range.
Assignees
Inventors
Classifications
Temperature detection of any component of the control system · CPC title
Oil temperature · CPC title
Temperature of the engine · CPC title
Slip · CPC title
Friction clutch · CPC title
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Frequently asked questions
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- What does patent US10487891B2 cover?
- A vehicle includes a clutch to couple a motor and transmission, and a controller that, in response to a regenerative braking request and a temperature being within a first range, partially capacitizes the clutch for regenerative torque transfer therethrough with slip, and in response to another regenerative braking request and the temperature being within a second range less than the first, ful…
- Who is the assignee on this patent?
- Ford Global Tech Llc
- What technology area does this patent fall under?
- Primary CPC classification F16D48/06. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Nov 26 2019 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).