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Marion Pottinger
Marion G. Pottinger is an American mechanical engineer known for his work on tire footprint mechanics, tire wear and tire force and moment behavior. Education Pottinger holds a BS in mechanical engineering from the University of Cincinnati and an MS (1963) and a PhD (1966) in mechanical engineering from Purdue University. Career Pottinger began his career with the research and development unit at B.F. Goodrich, rising to the rank of senior manager. In 1985 he joined Uniroyal Goodrich Tire Company, where he held an Associate R&D Fellow position responsible for development of high performance tires and for measurements of tire wear. In 1988 he joined Smithers Scientific Services. He retired from Smithers in 2003 as Technical Director. In retirement, he operated a private consulting company M'gineering. Pottinger served as president of the Tire Society and was a member of several SAE committees: the Highway Tire Forum Committee, the Vehicle Dynamics Standards Committe ...
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Contact Patch
Contact patch is the portion of a vehicle's tire that is in actual contact with the road surface. It is commonly used in the discussion of pneumatic (i.e. pressurized) tires, where the term is used strictly to describe the portion of the tire’s tread that touches the road surface. The term “footprint” is used almost synonymously. Solid wheels also exhibit a contact patch which is generally smaller than the pneumatic “footprint”. Contact patch size The contact patch is the only connection between the road and the vehicle. Pneumatic rubber tires The size and shape of the contact patch, as well as the pressure distribution within the contact patch, are important to the ride qualities and handling characteristics of a vehicle. Since the wear characteristics of tires is a highly competitive area between tire manufacturers, a lot of the research done concerning the contact patch is considered highly proprietary and, therefore, very little is published on the subject. Becau ...
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Cornering Force
Cornering force or side force is the lateral (i.e., parallel to wheel axis) force produced by a vehicle tire during cornering. Cornering force is generated by tire slip and is proportional to slip angle at low slip angles. The rate at which cornering force builds up is described by relaxation length. Slip angle describes the deformation of the tire contact patch, and this deflection of the contact patch deforms the tire in a fashion akin to a spring. As with deformation of a spring, deformation of the tire contact patch generates a reaction force in the tire; the cornering force. Integrating the force generated by every tread element along the contact patch length gives the total cornering force. Although the term, "tread element" is used, the compliance in the tire that leads to this effect is actually a combination of sidewall deflection and deflection of the rubber within the contact patch. The exact ratio of sidewall compliance to tread compliance is a factor i ...
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University Of Cincinnati
The University of Cincinnati (UC or Cincinnati) is a public research university in Cincinnati, Ohio. Founded in 1819 as Cincinnati College, it is the oldest institution of higher education in Cincinnati and has an annual enrollment of over 44,000 students, making it the second largest university in Ohio. It is part of the University System of Ohio. The university has four major campuses, with Cincinnati's main uptown campus and medical campus in the Heights and Corryville neighborhoods, and branch campuses in Batavia and Blue Ash, Ohio. The university has 14 constituent colleges, with programs in architecture, business, education, engineering, humanities, the sciences, law, music, and medicine. The medical college includes a leading teaching hospital and several biomedical research laboratories, with developments made including a live polio vaccine and diphenhydramine. UC was also the first university to implement a co-operative education (co-op) model. The university ...
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Purdue University
Purdue University is a public land-grant research university in West Lafayette, Indiana, and the flagship campus of the Purdue University system. The university was founded in 1869 after Lafayette businessman John Purdue donated land and money to establish a college of science, technology, and agriculture in his name. The first classes were held on September 16, 1874, with six instructors and 39 students. It has been ranked as among the best public universities in the United States by major institutional rankings, and is renowned for its engineering program. The main campus in West Lafayette offers more than 200 majors for undergraduates, over 70 masters and doctoral programs, and professional degrees in pharmacy, veterinary medicine, and doctor of nursing practice. In addition, Purdue has 18 intercollegiate sports teams and more than 900 student organizations. Purdue is the founding member of the Big Ten Conference and enrolls the largest student body of any individua ...
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Tire Society
The Tire Society is a non-profit professional body, specifically an engineering society, whose mission is to increase and disseminate knowledge as it pertains to the science and technology of tires. It hosts a two-day meeting and conference every year. In addition, it publishes a peer reviewed technical journal, ''Tire Science and Technology''. History The Tire Society was founded on 24 March 1980. Awards The society has two professional award recognitions: the Distinguished Service Award and the Distinguished Achievement award. ;Distinguished Service Award Recipients *1990 Floyd Conant *1991 Frederick James Kovac *1996 David Benko *2005 Jozef DeEskinazi *2012 Marion Pottinger *2022 Joseph D. Walter ;Distinguished Achievement Award Recipients *2009 Samuel Kelly Clark *2011 Takashi Akasaka Takashi Akasaka (1925-2010) was a Japanese engineering professor at Chuo University known for his work on cord-rubber composites and tires. Education Akasaka completed his undergra ...
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Harold Herzlich Distinguished Technology Achievement Medal
The Harold Herzlich Distinguished Technology Achievement Medal is an award conferred that recognizes "innovators, who through persistence and dedication, have advanced a paradigm shift in tire manufacturing, tire reliability or performance". It is awarded as a part of the biennial ITEC tire show. Prior to 2012, it had been known by the name ITEC Distinguished Technology Achievement Award. Recipients *2012 - Marion Pottinger *2014 - Bernhard Blümich *2016 - Andreas Limper *2018 - Steven M. Cron *2020 - Walter H. Waddell Walter H. Waddell is a retired ExxonMobil Chemical senior research associate and consultant to the tire and rubber industry with expertise in silica technology, rubber compounding, butyl polymer applications and tire aging. Since 2015 he has serve ... *2022 - William V. Mars References {{award-stub Tire industry ...
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SAE International
SAE International, formerly named the Society of Automotive Engineers, is a United States-based, globally active professional association and standards developing organization for engineering professionals in various industries. SAE International's world headquarters is in Warrendale, Pennsylvania, 20 miles north of Pittsburgh, Pennsylvania. Principal emphasis is placed on global transport industries such as aerospace, automotive, and commercial vehicles. The organization adopted the name SAE International to reflect the broader emphasis on mobility. SAE International has over 138,000 global members. Membership is granted to individuals, rather than companies. Aside from its standardization efforts, SAE International also devotes resources to projects and programs in STEM education, professional certification, and collegiate design competitions. For historical legacy reasons, the label "SAE" is commonly used on tools and hardware in North America to indicate United States c ...
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Tire Industry People
A tire (American English) or tyre (British English) is a ring-shaped component that surrounds a wheel's rim to transfer a vehicle's load from the axle through the wheel to the ground and to provide traction on the surface over which the wheel travels. Most tires, such as those for automobiles and bicycles, are pneumatically inflated structures, which also provide a flexible cushion that absorbs shock as the tire rolls over rough features on the surface. Tires provide a footprint, called a contact patch, that is designed to match the weight of the vehicle with the bearing strength of the surface that it rolls over by providing a bearing pressure that will not deform the surface excessively. The materials of modern pneumatic tires are synthetic rubber, natural rubber, fabric, and wire, along with carbon black and other chemical compounds. They consist of a tread and a body. The tread provides traction while the body provides containment for a quantity of compressed ai ...
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Living People
Related categories * :Year of birth missing (living people) / :Year of birth unknown * :Date of birth missing (living people) / :Date of birth unknown * :Place of birth missing (living people) / :Place of birth unknown * :Year of death missing / :Year of death unknown * :Date of death missing / :Date of death unknown * :Place of death missing / :Place of death unknown * :Missing middle or first names See also * :Dead people * :Template:L, which generates this category or death years, and birth year and sort keys. : {{DEFAULTSORT:Living people 21st-century people People by status ...
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