An optimization method of a hybrid transmission, a hybrid transmission and a system
By employing parallel throttle orifices and mechanical/electronic pump oil supply devices in the hybrid transmission, the oil distribution is optimized, solving the problems of complex structure and high cost, and achieving cost reduction and reduced oil waste.
CN122328528APending Publication Date: 2026-07-03SAIC MOTOR
View PDF 0 Cites 0 Cited by
Patent Information
- Application Number
- CN202510010981.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2026-07-03
AI Technical Summary
Technical Problem
Existing hybrid transmissions are complex and costly due to the use of multiple flow valves, making it difficult to effectively regulate oil flow to meet cooling and lubrication requirements under different operating conditions.
Method used
By employing parallel fixed-diameter throttling orifices and mechanical/electronic pump oil supply devices, the optimal value of the ratio between the mechanical pump displacement and the throttling orifice is determined, thereby optimizing oil distribution and reducing the use of flow valves.
Benefits of technology
It simplifies the system structure, reduces costs, minimizes oil waste, improves optimization efficiency, and reduces computational complexity.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN122328528A_ABST
Abstract
This application discloses an optimization method for a hybrid transmission, a hybrid transmission, and a system, comprising: obtaining N first correspondences between the required flow rate of oil for each of N oil-using devices and different rotational speeds of each oil-using device; determining a first range of values for the displacement of a mechanical pump and a second range of values for the proportional relationship between the orifice diameters of N throttling orifices based on the N first correspondences; calculating the cost values corresponding to the displacement values of different mechanical pumps and the values of different proportional relationships, thereby obtaining the second correspondence; determining the optimal displacement value within the first range and the optimal proportional relationship within the second range, and setting the displacement value as the optimal displacement value and the proportional relationship between the orifice diameters as the optimal proportional relationship. This significantly reduces costs and minimizes oil waste. Furthermore, the system structure of the above implementation method in this application embodiment is simpler and the cost is lower.
Need to check novelty before this filing date? Find Prior Art