SHANGHAI, May 20, 2020
/PRNewswire/ -- BorgWarner partnered with GAC Motor to introduce
its next generation of variable cam timing actuators – intelligent
cam torque actuation (iCTA) – to GAC's combustion and
some models with hybrid applications. As emission standards
becomes stricter, Chinese auto manufacturers are seeking more
efficient and tunable intake and exhaust technologies to meet
future emission regulations. A great addition to BorgWarner's
variable cam timing (VCT) technology, iCTA blends the best
attributes of cam torque actuation (CTA) and torsional assist (TA)
phaser technologies for better efficiency and improved fuel
economy, offering automakers the opportunity to meet challenging
State VI emission standards. iCTA is a device that varies engine
cam timing at a fast actuation rate with low oscillation. It will
first be installed on GAC's new compact SUV, the GS3. GAC began
mass-producing engines with this BorgWarner technology in June,
2019.
![BorgWarner’s Intelligent Cam Torque Actuation (iCTA) Improves Fuel Economy for GAC Motor (PRNewsfoto/BorgWarner) BorgWarner’s Intelligent Cam Torque Actuation (iCTA) Improves Fuel Economy for GAC Motor (PRNewsfoto/BorgWarner)](https://mma.prnewswire.com/media/1170415/icta.jpg)
"We are glad to extend our long-term cooperation with GAC
Motor," said Brady D. Ericson,
President and General Manager, BorgWarner Morse Systems. "Our new
iCTA technology is suitable for both combustion and hybrid
applications which are gaining increasing popularity. iCTA can
operate across a variety of engine types, enriching BorgWarner's
industry-leading variable cam timing product portfolio. We
developed this latest innovation and conducted a wide range of
tests in order to meet our customers' needs."
iCTA provides fast cam phasing throughout the engine operating
range, reducing emissions and improving fuel efficiency while
maintaining optimal vehicle performance. BorgWarner's intelligent
cam torque actuator allows the engine to be tuned for optimal
opening and closing of the valves to maximize airflow when the
engine needs it, and minimize it when it doesn't. By recirculating
oil within the actuator, iCTA reduces oil demand and engine
parasitic losses over competing solutions for in-line 3
cylinder (I3) engines. As the cam shaft spins, it oscillates due to
cam torque and the iCTA captures the cam torque and uses its energy
to augment the energy from the engine oil pump. The technology
operates with front-mounted variable-force solenoid controls and a
center-mounted spool valve that is contained within the bolt, which
mounts the phaser to the cam shaft. In addition, it offers an
optional passive mid-position lock (MPL) technology that ensures a
failsafe return to lock at the mid-position for reliable engine
starts under any operating condition.
iCTA enables a fast actuation rate of engine valve phasing
across all engine speeds and maintains stable operation at low oil
pressure. This technology can be used for any engine configuration
from I3, I4 to V6, and more. It performs consistently regardless of
speed range, has compact packaging and is a cost-effective solution
to best manage airflow for a variety of driving conditions, from
cold-starts to highway cruising. In terms of packaging, iCTA
integrates all necessary features within the existing centerbolt
architecture to allow interchangeability with an existing CTA or TA
cam phaser. This product is now manufactured in the BorgWarner
Ningbo, China plant.
About BorgWarner
BorgWarner Inc. (NYSE: BWA) is a global product leader in clean
and efficient technology solutions for combustion, hybrid and
electric vehicles. With manufacturing and technical facilities in
67 locations in 19 countries, the company employs
approximately 29,000 worldwide. For more information, please visit
borgwarner.com.
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SOURCE BorgWarner