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Crankshaft and Camshaft Seals
        
Crankshaft and Camshaft Seals
Innovations in Performance and Lean Manufacturing
Products Technology Applications Manufacturing Overview
MicroTorq™ Seal MicroTorq™ Seals

The unique MicroTorq seal design was developed to provide fuel savings and can reduce friction by up to 70 percent when compared with conventional lip-type seals.  Additionally, the seals provide an improvement in fuel economy of up to 0.49 percent and a reduction in CO2 emissions of 1-2 g/km compared to traditional seal designs.

  • Easy to install and require less packaging space -- MicroTorq can be packaged in under 5 mm, further contributing to the design of compact, lightweight engines
  • MicroTorq seals can be utilized without changing the design of any adjacent components
  • Dynamic testing showed MicroTorq to generate approximately one-third-to-half the friction torque of conventional seal designs on average
Elastomeric Seal
Elastomeric Seal

Elastomeric Seal

Elastomeric seals offer a traditional design that leverages the fluid and temperature resistance and sealing characteristics of high-performance elastomers.

Federal-Mogul offers a full range of materials, from polyacrylates and ethylene acrylic to high-performance FKM compounds. The latter includes specialty FKM materials specifically formulated for today’s application conditions. Low-temperature FKM materials are capable of maintaining flexibility to -40° C, while base-resistant elastomers, including AFLAS®, can extend life in demanding applications.

Innovative design technologies, such as pumping lay-down lips and spring-loaded microlip seals, reduce running torque and extend the performance boundaries of these seals.

Bonded PTFE Seal Bonded PTFE Seal

PTFE is the sealing material of choice for the demanding application conditions found in commercial vehicles. Federal-Mogul pioneered the use of PTFE in commercial diesel engines in the early ’70s and is the largest manufacturer of PTFE seals for these applications in the world.

As light-vehicle life requirements increase, PTFE is increasingly used for these applications. Federal-Mogul’s patented lay-down sealing lip design ensures a long seal life despite extreme temperatures, aggressive oils, shaft imperfections, misalignment and excessive shaft motion.

In addition to a high level of chemical and temperature resistance and long seal performance life, our bonded seals also offer:

  • More compact seal designs
  • Simplified, single-piece structure

PTFE sealing technologies will operate at temperatures from -40° C to in excess of 200° C. They deliver superior performance levels with modern synthetic lubricants, enabling potential operation beyond 300,000 Kms.

Unitized (Cartridge) Seal

Unitized (Cartridge) Seal

The unitized seal incorporates multiple seal components and functions into a single unit, bringing the management of the sealing interfaces together in one product. Benefits include:

  • Reducing the level of shaft preparation
  • Lowering the risk of installation error
  • Reducing the possibility of handling damage
  • Providing a complete sealing solution
  • Improving sealing system reliability and durability

FLAT-INSTALL™ Seal

FLAT-INSTALL™ Seal

Federal-Mogul’s innovative FLAT-INSTALL seal is designed to perform under the extreme working conditions of commercial-vehicle/heavy-duty engines, as well as agricultural, construction and mine equipment, and marine and power-generation applications. This seal dramatically extends service life and reduces the customer’s total cost of ownership. It achieved a one-million-mile service life in simulated bench testing.

Other benefits:

  • Non-contacting dirt labyrinth blocks contaminants from reaching and breaking down the sealing surface, dramatically extending seal life in dirty environments (e.g., construction, mining and agriculture)
  • Integrated wear sleeve provides optimal seal surface to accommodate rougher crankshaft surfaces.
  • Unitized design incorporating wear sleeve, seal and environmental shield simplifies installation and reduces risk of installation error.
  • Design allows installation flush to the block without use of complex assembly tooling.

Federal-Mogul’s FLAT-INSTALL seal received an Honorable Mention for the 2006 Automotive News PACE Awards recognizing product innovation.

 

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