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Midas is one of the world's largest providers of automotive services, offering brake, maintenance, tires, exhaust, steering and suspension services at more than 2,100 franchised, licensed and company-owned Midas shops in 13 countries, including nearly 1,300 in the United States of America and Canada.
The company was founded by Charles J. August in 1957, originally as a franchise of another company, Midas Muffler. [2] In the mid-1960s, "Chuck" August decided that his muffler shops should offer an expanded list of services. This was not in line with the other organization's wishes. In 1966, he discontinued his affiliation with Midas Muffler. [2]
Jacobs Vehicle Systems, Inc. is an American company that engineers, develops and manufacturers commercial vehicle retarding and valve actuation technologies.The company produces light-duty, medium-duty, and heavy-duty engine brakes, recreational vehicle exhaust brakes, aftermarket parts and tune-up kits to heavy-duty diesel engine manufacturers in its domestic market in America, as well as in ...
An exhaust brake is a device that essentially creates a major restriction in the exhaust system, and creates substantial exhaust back pressure to retard engine speed and offer some supplemental braking. Exhaust brakes are manufactured by many companies. The brakes vary in design, but essentially operate as described above.
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The vacuum wave arrives in the cylinder during the transfer cycle and helps suck in fresh mixture from the crankcase into the cylinder, and/or prevent the suction of exhaust gases into the crankcase (due to crankcase vacuum). [3] However, the wave may also suck fresh mixture out the exhaust port into the header of the expansion chamber.
In 2007 Volvo introduced D13B [11] with Exhaust Gas Recirculation configuration and VGT turbocharger but without exhaust particle filter and is the only manufacturer to offer this solution thus far. The engines are available in slightly reduced power output ranging from 360 hp (270 kW), 400 hp (300 kW), 440 hp (330 kW) and 500 hp (370 kW ...
[9] [10] Also, some electric cars may have a combination of drum brakes and disc brakes, and drum brakes are known to cause less particulate emissions than disc brakes. [11] Under the provisionally agreed Euro 7 standard electric cars have a lower limit of brake particulates. [12] [13] Electric cars may have some disadvantages, such as: