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19741970
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1982(1995)
1982 (1995) -
In-Wheel Motor R&D
Start of design work on an innovative compact motor system that uses a brushless external rotor configuration with permanent magnet, a generator and advanced power electronic controls that can be embedded inside a regular-size wheel at Hydro-Quebec’s IREQ.
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1990
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1991
1991 -
First wheel motor prototype
Development of the 4-wheel motor system and its control software.
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1995
1995 -
Test vehicle equipped with 4-wheel motor system
A vehicle is driven and controlled by the 4-wheel motor system.
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1998
1998 -
TM4 foundation
Technologies M4 Inc. (TM4) foundation. 1998 also marks the development of TM4’s first PM generator system (10 kW).
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19982008
1998-2008 -
Prototype Work
1998-2009: Prototyping work for various OEMs, including PSA, Tata Motors, Volvo Trucks and more.
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1999
1999 -
Electric motor production starts
SME starts the production of its own designed AC electric motor for the forklift market.
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2007
2007 -
SME China founded
SME expands to China with the opening of an office and manufacturing facility in Shanghai.
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2012
2012 -
Chinese JV (PEPS) founded
TM4 and Prestolite Electric Beijing Limited (PEBL) entered into an agreement for the creation of a Sino-Foreign equity joint venture company named Prestolite E-Propulsion Systems (Beijing) Limited (PEPS).
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2012
2012 -
TM4 SUMOTM systems launched
Launch of the TM4 SUMOTM HD series, targeting primarily the heavy-duty truck and bus market.
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2013
2013 -
Ashwoods Electric Motors established
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2014
2014 -
High volume orders In China
TM4 receives significant orders from important bus manufacturers in China. The production officially launches in Beijing.
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2016
2016 -
SME acquires Schwarzmüller Inverter
SME acquires Schwarzmüller Inverter, a company with 25 years of experience in inverters for low voltage AC-motors ranging from 24V to 120V, 60A – 1000A.
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2017
2017 -
Commercialization of IPM motors
Since 2015, Ashwoods had been working on the development of power-dense IPM motors. 2017 marks the commercialization of this series.
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2018
2018 -
10,000 SUMO systems Sold in buses and trucks
TM4 reached a major milestone with the production of its 10,000th TM4 SUMO™ electric powertrain for buses and commercial vehicles.
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2018
2018 -
TM4 is acquired by Dana Incorporated
Dana Incorporated (NYSE: DAN) and Hydro-Québec announce a joint-venture partnership in which TM4 Inc., a subsidiary of Hydro-Québec, become Dana’s source for electric motors, power inverters, and control systems. As part of this agreement, Dana become a majority shareholder of TM4 in exchange for CA$165 million (approximately US$127 million). Hydro-Québec maintain a 45 percent interest in TM4.
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2019
2019 -
Dana gains stakes in Ashwoods Electric Motors
As part of the Oerlikon Drive System acquisition, Dana gains stakes in Ashwoods Electric Motors.
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2019
2019 -
SME is acquired by Dana Incorporated
Dana Incorporated completes the acquisition of SME Group, headquartered in Arzignano, Italy.
2019
TM4, SME, and PEPS became Dana TM4
On July 19th, 2019, Hydro-Québec announced that the company has invested $85 million to secure the growth of TM4, now called Dana TM4. Dana TM4 now holds 100% of Chinese company Dana Electric Motor Co. Ltd , formerly called Prestolite E-Propulsion Systems (PEPS), in which Dana TM4 previously held a 50% interest. Dana TM4 now also integrate SME. SME low-voltage systems are a perfect complement to the Dana TM4 high-voltage product line.
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2020
Ashwoods Electric Motors became Dana TM4
Dana TM4 now also integrate Ashwoods Electric Motors. Their low-voltage IPM motors are a perfect complement to the Dana TM4 current product line.