SAE USCAR-46-2023

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ENGINE OIL PUMP PERFORMANCE

AND DURABILITY TEST PROCEDURES

SAE/USCAR-46

March 2023

ISBN: 978-1-4686-0608-9

__________________________________________________________________________________________________________________________________________

The research data, analysis, conclusion, opinions, and other contents of this document are solely the product of the authors. Neither the SAE International (SAE) nor the United

States Council for Automotive Research (USCAR) certifies the compliance of any products with the requirements of nor makes any representations as to the accuracy of the

contents of this document nor to its applicability for purpose. It is the sole responsibility of the user of this document to determine whether or not it is applicable for their purposes.

QUESTIONS REGARDING THIS DOCUMENT: (248) 273-2470 FAX (248) 273-2494

TO PLACE A DOCUMENT ORDER: (724) 776-4970 FAX (724) 776-0790

SAE/USCAR-46

Issued 2023-03

ENGINE OIL PUMP PERFORMANCE AND DURABILITY TEST PROCEDURES

Templates and related USCAR-46 data are available online at https://uscar.org/technologies-teams/advanced-

propulsion/#398-399-oil-pumps-filters in the “Oil Filters” folder and document updates or clarifications (“revision letters”) are

available at: https://uscar.org/ewcapbak/spec-revision-letters/ under “USCAR-46.”

TABLE OF CONTENTS

1. SCOPE .......................................................................................................................................................... 4

2. GENERAL TESTING AND REPORTING REQUIREMENTS ....................................................................... 4

3. PERFORMANCE TEST PROCEDURES ..................................................................................................... 5

3.1 Revolutions Per Minute Sweep Against a Fixed Restriction ......................................................................... 5

3.1.1 Purpose ......................................................................................................................................................... 5

3.1.2 Test Setup and Instrumentation .................................................................................................................... 6

3.1.3 Procedure ...................................................................................................................................................... 6

3.1.4 Minimum Required Recorded Data Channels .............................................................................................. 7

3.1.5 Default Graphs and Output Formats ............................................................................................................. 7

3.2 Flow Versus Pressure at a Fixed rpm (Waterfall/Performance Mapping) .................................................... 8

3.2.1 Purpose ......................................................................................................................................................... 8

3.2.2 Test Setup and Instrumentation .................................................................................................................... 8

3.2.3 Procedure ...................................................................................................................................................... 9

3.2.4 Minimum Required Recorded Data Channels ............................................................................................ 10

3.2.5 Default Graphs and Output Formats ........................................................................................................... 10

3.3 High Speed Flow Limit/Cavitation ............................................................................................................... 10

3.3.1 Purpose ....................................................................................................................................................... 10

3.3.2 Test Setup and Instrumentation .................................................................................................................. 11

3.3.3 Procedure .................................................................................................................................................... 11

3.3.4 Minimum Required Recorded Data Channels ............................................................................................ 12

3.3.5 Default Graphs and Output Formats ........................................................................................................... 12

3.4 High Frequency Pressure Pulsation ........................................................................................................... 13

3.4.1 Purpose ....................................................................................................................................................... 13

3.4.2 Test Setup and Instrumentation .................................................................................................................. 13

3.4.3 Procedure .................................................................................................................................................... 14

3.4.4 Minimum Required Recorded Data Channels ............................................................................................ 14

3.4.5 Default Graphs and Output Formats ........................................................................................................... 14

3.5 Time to Prime - Dry Pump........................................................................................................................... 16

3.5.1 Purpose ....................................................................................................................................................... 16

3.5.2 Test Setup and Instrumentation .................................................................................................................. 16

3.5.3 Procedure .................................................................................................................................................... 17

3.5.4 Minimum Required Recorded Data Channels ............................................................................................ 18

3.5.5 Default Graphs and Output Formats ........................................................................................................... 18

3.6 Time to Prime - Wet Pump .......................................................................................................................... 18

3.6.1 Purpose ....................................................................................................................................................... 18

3.6.2 Test Setup and Instrumentation .................................................................................................................. 19

3.6.3 Procedure .................................................................................................................................................... 19

3.6.4 Minimum Required Recorded Data Channels ............................................................................................ 20

3.6.5 Default Graphs and Output Formats ........................................................................................................... 20

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摘要：

SAE USCAR-46-2023 是汽车行业针对电气连接器系统中端子与连接器接口性能的最新标准化规范，由国际自动机工程师学会与通用汽车、福特等主要车厂联合制定。该标准详细规定了端子插入力、拔出力、接触电阻、耐久性及环境适应性等关键参数的测试方法和合格判据，适用于新能源汽车、传统燃油车及混合动力车型中的低压与高压连接系统。通过统一测试流程与性能要求，本标准旨在提升连接器在振动、温度循环及盐雾腐蚀等严苛工况下的可靠性，降低因接触不良引发的电路故障风险。采用 SAE USCAR-46-2023 可帮

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