Control and Analysis of Gear Whine Noise in Automotive Transmission Oil Pump

2015 ◽  
pp. 339-348
Author(s):  
Wenbo Niu ◽  
Guiping Yue ◽  
Yingjie Liu ◽  
Jianjiao Deng ◽  
Jinliang Bi ◽  
...  
Keyword(s):  
Oil Pump ◽  
Automotive Transmission ◽  
Transmission Oil

NVH optimization of a transmission oil pump

2017 ◽  
pp. 79-80
Author(s):  
S. Ebina ◽  
Y. Asaoka ◽  
T. Kusada ◽  
T. Hyakutake
Keyword(s):  
Oil Pump ◽  
Transmission Oil

Modeling and Analysis of the Hydraulic System for Oil Budget in an Automotive Transmission

2008 ◽  
Author(s):  
Hsu-Chiang Miao ◽  
Zongxuan Sun ◽  
Jonathan Fair ◽  
Joshua Lehrmann ◽  
Samuel Harbin
Keyword(s):  
Fuel Economy ◽  
Hydraulic System ◽  
Dynamic Performance ◽  
Operating Conditions ◽  
Modeling And Analysis ◽  
Budget Analysis ◽  
Automotive Transmission ◽  
Transmission Oil ◽  
Dynamic Operating ◽  
Cooling And Lubrication

Many automotive transmissions, including automatic and hybrid transmissions, employ electro-hydraulics for gear shift, system cooling, and lubrication. Transmission oil budget refers to the process of dynamically distributing pressurized fluid from the pump into the sub-systems of the transmission. The oil budget will ultimately determine the transmission pump size and directly impact vehicle fuel economy. It will further affect the dynamic performance of the transmission. Due to large number of components, complex hydraulic circuits, and dynamic operating conditions, estimating transmission oil budget is extremely complex. To obtain a precise oil budget, we need to not only model each hydraulic component accurately, but also analyze the flow requirement in a dynamic fashion. This paper presents the modeling of the transmission hydraulic system and its application for oil budget analysis.

scholarly journals Zero-Airgap Induction Motor Used to Drive a Transmission Oil Pump

Energies ◽  
2020 ◽  
Vol 13 (17) ◽  
pp. 4286
Author(s):  
Dan-Cristian Popa ◽  
Nicolae-Florin Jurca ◽  
Razvan Alexandru Inte ◽  
Nicholas Hrusch ◽  
Jeff Hemphill ◽  
...  
Keyword(s):  
Thermal Analysis ◽  
Induction Motor ◽  
Induction Motors ◽  
Mechanical Performance ◽  
Point Of View ◽  
Small Power ◽  
Mechanical Part ◽  
Oil Pump ◽  
Transmission Oil ◽  
Optimum Variant

In this paper, we propose a novel study concerning the future use of a zero-airgap induction motor in applications related to transmission oil pumps. The name of the machine comes from the fact that the rotor touches the stator as it spins. The use of such an eccentric motor provides the possibility to remove the mechanical part that is typically found in the transmission oil pump, increasing its efficiency in this way. We focused on determining the optimum variant of a zero-airgap small power induction motor from the point of view of the electrical and mechanical performance. As such, 18 topologies of induction motors with various numbers of pole pairs and rotor bars were designed and numerically analyzed. For the best variant from each category, different eccentricities were considered to evaluate this effect over the performances of the motors. For the best candidate, various analyses were performed in order to demonstrate the validity of this solution for the proposed application. Elements regarding the thermal analysis of this structure are also presented here.

Wear characterisation of small PM rotors and oil pump bearings

2004 ◽  
Vol 37 (1) ◽  
pp. 1-9 ◽  
Author(s):  
G Ranganathan ◽  
T Hillson Samuel Raj ◽  
P.V Mohan Ram
Keyword(s):  
Oil Pump

scholarly journals Creation a universal technique of predicting performance curves for small-sized centrifugal stages of well oil pump units

2021 ◽  
Vol 1741 ◽  
pp. 012011
Author(s):  
S Antonenko ◽  
S Sapozhnikov ◽  
V Kondus ◽  
A Chernobrova ◽  
A Mandryka
Keyword(s):  
Oil Pump ◽  
Predicting Performance ◽  
Performance Curves

Tribological Studies of Transmission Oil Dispersed With Molybdenum Disulfide and Tungsten Disulfide Nanoparticles

2017 ◽  
Vol 139 (4) ◽  
Author(s):  
V. Srinivas ◽  
R. N. Thakur ◽  
A. K. Jain ◽  
M. Saratchandra Babu
Keyword(s):  
Molybdenum Disulfide ◽  
Size Variation ◽  
Tungsten Disulfide ◽  
Particle Size Analyzer ◽  
Transmission Oil ◽  
Mos2 Nanoparticles ◽  
The Stability ◽  
Friction And Wear Characteristics ◽  
Load Conditions ◽  
And Tungsten

This paper compares the tribological properties of transmission oil dispersed with molybdenum disulfide (MoS2) and tungsten disulfide (WS2) nanoparticles. Lubricant samples are prepared by dispersing MoS2 and WS2 nanoparticles in 0.5 wt.% in transmission oil. The nanoparticles are stabilized in the lubricant by surface modification with surfactant SPAN 80. The stability of the lubricant in terms of size variation of dispersed nanoparticles is evaluated using particle size analyzer. The antiwear, antifriction, and extreme pressure (EP) properties are tested on a four-ball wear tester and a comparison is made to assess the relative performance of MoS2 and WS2 nanoparticles. The friction and wear characteristics of lubricant dispersed with nanoparticles are strongly dependent upon the load taken into consideration. The lubricant dispersed with WS2 nanoparticles gave higher weld load and load wear index (LWI) than that of lubricant dispersed with MoS2 nanoparticles. The metallographic studies show that under high load conditions, the WS2 nanoparticles deposit more than MoS2 nanoparticles, thereby giving better performance at higher load conditions.

Research on Heavy Truck Cab Tilting Motor

2013 ◽  
Vol 310 ◽  
pp. 343-347
Author(s):  
Wen Fu Zhang ◽  
Xue Yi Zhang ◽  
Jian Long Hu ◽  
Hong Bin Yin
Keyword(s):  
Permanent Magnet ◽  
Small Volume ◽  
Simple Structure ◽  
High Efficiency ◽  
Dc Motor ◽  
Reliable Operation ◽  
Oil Pump ◽  
Heavy Truck ◽  
Permanent Magnet Dc Motor ◽  
Operation Characteristics

Heavy truck cab manual oil pump consumes more time and strength. Using tilting motor can produce larger tilting force for reversing the heavy truck cab and improve the tilting efficiency. The power of tilting motor, permanent magnet, armature plate and winding parameters are optimized on the basis of analyzing the cab tilting system works and the characteristics of the permanent magnet DC motor. The designed Nb-Fe-B PM DC motor is small volume, light weight high efficiency, simple structure and reliable operation characteristics, which can improve the security of tilting device of the heavy truck cab.

scholarly journals Replacement of metallic parts for polymer composite materials in motorcycle oil pumps

2016 ◽  
Vol 36 (2) ◽  
pp. 149-160 ◽  
Author(s):  
Sandro Donnini Mancini ◽  
Antídio de Oliveira Santos Neto ◽  
Maria Odila Hilário Cioffi ◽  
Eduardo Carlos Bianchi
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Glass Transition ◽  
Glass Fiber ◽  
Dynamic Mechanical Analysis ◽  
Mechanical Analysis ◽  
Neutral Medium ◽  
Element Analysis ◽  
Dynamic Mechanical ◽  
Oil Pump

A feasibility study was conducted to determine the use of polyphthalamide/glass-fiber and polyphthalamide/glass-fiber/polytetrafluoroethylene-based composites as substitutes for aluminum and steel, respectively, in the production of motorcycle oil pump parts (housing, shaft/inner gerotor and outer gerotor). New and used (80,000 km) oil pumps were subjected to performance tests, whose results indicated that the pressure and temperature of the used pump reached a maximum of 1.8 bar and 93℃, respectively. Thermogravimetric analysis indicated that the materials are stable at the maximum operating temperature, which is 20℃ lower than the minimum glass transition temperature obtained by dynamic mechanical analysis for both materials at the analyzed frequencies (defined after calculations based on rotations in neutral, medium and high gear). The pressure value was multiplied by a safety factor of at least 1.6 (i.e., 3 bar), which was used as input for a finite element analysis of the parts, as well as the elasticity modulus at glass transition temperatures obtained by dynamic mechanical analysis. The finite element analysis indicated that the von Mises stresses to which the composite parts were subjected are 7 to 50 times lower than those the materials can withstand. The results suggest that it is feasible to manufacture motorcycle oil pump parts with these composites.

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