Cummins ISG Successfully Received US Patent Office Certificate of "Internal Combustion Wet Cylinder Liner"

Recently, Steven M Chapman (Cao Side), vice president of the Cummins Group, officially received a certificate from the US Patent and Trademark Office for the patent on the "wet cylinder liner for internal combustion engines" (ID: 8978620). This patent was jointly obtained by Cao Side and Cummins ISG engine R&D team. Cao Side is currently the group vice president in charge of business in China and Russia and has led the development of a number of innovative technologies. This patent embodies Cummins innovation not only in the engineering team but in the entire company, from top to bottom. "Artisan spirit".

Innovation has been the main theme in Cummins's history for nearly 100 years. Cummins has always invested in research and development, and for many years, it has invested more than US$700 million in R&D every year. Cummins is the most innovative company in the field of diesel engines and has more than 1,500 patents in its validity period. This makes Cummins become the world's leading engine design and manufacturer, and continue to promote technology innovation throughout the industry.

The acquisition of this patent cannot be separated from the common efforts of the Cummins R&D team. At present, this patent has been successfully applied to Cummins' latest ISG heavy-duty engine platform.

Cummins ISG Heavy Duty Engine Platform

The G in the ISG symbolizes the Chinese "revolution" and demonstrates its technological innovation. This model takes the customer's needs as input to promote engine design. More than 100 R&D personnel from China, the United States, Europe, India and Mexico and other countries have worked together to develop over five years of development, over 60,000 hours of bench testing, and over 6 million kilometers of actual road testing. Once launched, it gained market recognition and became the new generation Cummins classic engine.

At present, the ISG engine incorporates a variety of Cummins patents and 29 patents for key components and components, making it a truly patented "king of patents." Here are some of the major core patented technologies for ISG:

Cummins ISG core patented technology

Wet Cylinder Innovation Patented Technology

This is the patent obtained by the vice president of the Cummins Group just mentioned. Can replace the wet cylinder liner, effectively improve the reliability of the engine and reduce maintenance frequency. The lightest weight and compact size significantly improves load carrying capacity and carrying efficiency The modular integrated design significantly reduces the frequency of faults and achieves superior reliability.

Streamlined and efficient patented design

Cummins ISG streamlined and efficient patented design

The ISG has adopted a leading modular design concept, which reduces the number of parts by nearly 50% compared to traditional diesel engines, providing higher reliability and easier maintenance. The reduction in the number of parts improves the reliability of the product while saving 50% of the maintenance time. 792 kilograms deadweight, compared with other competing products, the weight reduction of 30%, but it can reach 490 horsepower output, ISG engine to create the highest specific power. Customers can easily carry more goods.

XPI Ultra High Pressure Fuel Injection Patented Technology

XPI ultra-high pressure fuel injection technology provides 2000 bar fuel injection pressure at various speeds. Accurate electronic control provides multi-stage injection in each combustion cycle, which will improve fuel efficiency and reduce emissions. Low speed and high torque provide unmatched power performance and maximize productivity. At the same time, XPI ultra-high pressure system combined with ISG Seiko cylinder design reduces engine noise by 50% and significantly improves engine cold start capability.

Unparalleled industry patented engine brake technology

Cummins-designed engine brakes incorporate exhaust rocker technology, which is up to 50% more than the most widely used in-cylinder pressure brake power on the market. The ISG engine braking system allows the driver to better control the downhill speed and travel more safely. The braking system effectively extends the braking life, reduces maintenance costs, and reduces downtime, providing high reliability.

Innovative cooling and lubrication patented technology

The ISG's lubrication and cooling system is highly integrated into Seiko's cylinders, reducing system pressure loss and increasing cooling and lubrication efficiency for longer engine life. This technology effectively shortens the waterway path and improves cooling performance. Lubrication and cooling systems are highly integrated, using low pressure and reduced design to reduce kinetic energy consumption. The power consumption of this engine water pump is only half that of a 6-liter displacement engine. An efficient intake and exhaust system reduces the power required for air operation. The weight of the internal components is low and power consumption is reduced.

LBSC Intelligent Speed ​​Control Patented Technology

LBSC technology is a technology that helps drivers achieve maximum engine efficiency. The engine can accurately detect how much the vehicle is carrying, and in what kind of road conditions it operates, based on its own power output and speed changes. Using these two kinds of information, combined with the driver's driving habits to automatically adjust, so that the engine is always working in the most fuel-efficient speed range. For example, if the engine is not required to use high speeds on flat or downhill roads, the LBSC will automatically limit the engine's permissible speed range to maximize fuel efficiency. In case of uphill road conditions, the engine is required to achieve maximum performance and requires flexible operation. The LBSC will promptly capture the demand of these vehicles and provide the driver with a complete engine speed range accordingly.

NanonetTM Patented Filtration Technology

The ISG engine is specially equipped with Fleetguard fuel filters from NanonetTM's patented technology to extend the maintenance cycle of the engine's fuel filter. NanonetTM Fuel Filter protects the engine by continuously filtering particles as small as 5 microns in the fuel. Adding a powerful synergist to the oil filter and special oil, combined with imported nano filter paper, can increase the mileage of the oil filter and ISG special oil to 100,000 kilometers. The long maintenance cycle reduces the downtime required by the user for maintenance, greatly improving the vehicle's attendance and operational efficiency.

Ultra-low emission technology creates a green future

Cummins unique air intake treatment technology, combined with advanced in-cylinder combustion and selective catalytic reduction post-treatment technology, can achieve low emissions of particulate matter and nitrogen oxides, ensuring to meet the most stringent emission requirements. The ISG meets the Euro IV/State IV and Euro V/National V emission standards and can upgrade the Euro 6 and non-road Phase IV technologies on the same platform, with a long product life cycle.

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Technical Data:

Model No.		TTAC-07HCWa	TTAC-12HCWaS	TTAC-18HCWaS	TTAC-40HCWaS	TTAC-70HCWaS
Type		Vertical	Vertical	Vertical	Horizontal	Horizontal
Cooling capacity	kW	7.00	12.00	18.00	40.00	70.00
Heating capacity	kW	7.70	13.50	19.50	45.00	77.00
Electric Heating	kW	3.00	4.00	6.00	8.00	15.00
Rated cooling power input	W	2550	4150	7000	17500	30200
Rated heating power input	W	2650	4450	8500	18500	31400
Rated cooling current input	A	12.2A	7A	11.7A	29.5A	51.1A
Rated heating current input	A	12.7A	7.5A	13.2A	31.2A	53.0A
Evaporating side airflow	m3h	1000	2000	3000	5500	5500
Condensing side airflow	m3h	3500	5000	10000	22000	22000
Air pressure	Pa	200	200	200	200	200
Compressor MFG		GMCC	PANASONIC	PANASONIC	PANASONIC	PANASONIC
Evaporating side Noise	dB(A)	≤40	≤45	≤48	≤52	≤52
Condensing side Noise	dB(A)	≤55	≤60	≤65	≤70	≤72
Net Weight	kg	125	200	260	380	780
Dimension  (L x W x H))	mm	740*620*1120	835*735*1275	930*850*1380	2100*1100*1210	2800*2100*1210

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