This invention proposes a new way of sealing the working chambers in Wankel-type rotary engines, by using ferrofluids and magnets in place of typical metal seals. The use of ferrofluids will allow for not only a better seal, but one that is easier to maintain.
- Glenview IL, US Christopher M. JOYCE - Waltham MA, US
Assignee:
Illinois Tool Works Inc. - Glenview IL
International Classification:
G01N 3/08 G01B 5/30
Abstract:
The disclosed embodiment is an extensometer to measure transverse strain with a passive vertical system making use of a linear optical encoder. The sensor arms are mounted on respective carriages which traverse on respective linear tracks. The carriages are spring-loaded so as to bias the sensor arms toward a closing direction. In order to separate the sensor arms and act against the force of the springs, the carriages are responsive to or pushed by upper and lower drive brackets which are affixed to respective upper and lower portions of a looped timing belt. The extensometer makes use of a low-friction design to minimize rolling friction in the movement of the two sensor arms. One carriage includes an encoder read-head which directly faces an encoder scale on the other carriage. In this configuration, the exact relative position of the two carriages, and hence the two sensor arms, can be read.
Sep 2012 to 2000 Asset Protection AgentHarbor Freight Tools Medford, MA Jun 2012 to Sep 2012 Sales AssociateStop and Shop Medford, MA Sep 2009 to Sep 2012 Cashier/Sales Associate
Education:
Northeast Metro. Tech. High School Wakefield, MA 2008 to 2012 Diploma in Plumbing & Heating
Skills:
Asset Protection Certified, Computer Skills, Handy in Most Trades
Jan 2013 to 2000 Appraisal Desk CoordinatorPortland Seadogs Baseball Portland, ME Feb 2012 to Dec 2012 Associate Box Office Manager (Full-time Internship)Portland Seadogs Baseball Lynn, MA May 2011 to Aug 2011 Box Office Manager & Game Day InternSouthern New Hampshire University Manchester, NH Aug 2010 to May 2011 Resident AdvisorDick's Sporting Goods Topsham, ME Mar 2009 to Jun 2010 Front-end Coordinator
Education:
Southern New Hampshire University Manchester, NH 2012 Master of Science in Sports ManagementUniversity of Maine Orono, ME 2008 Bachelor of Science in Business Administration and Finance
Abdominal Hernia Appendicitis Breast Disorders Cholelethiasis or Cholecystitis Gastrointestinal Hemorrhage
Languages:
English
Description:
Dr. Joyce graduated from the Loyola University Chicago Stritch School of Medicine in 1986. He works in New Lenox, IL and specializes in General Surgery and Bariatrician. Dr. Joyce is affiliated with Silver Cross Hospital.
Back in 2010, NPR's Christopher Joyce reported on this "live fast, die young" hypothesis, which was bolstered by studies of Neanderthal skulls. As Chris wrote at the time: "Like the 'slow food' movement, 'slow growth' gave complex brains more time to 'cook,' so to speak, and then learn all those thi
No one expects that over the next 40 years, the world would entirely stop using every form of technology that releases greenhouse gases. Instead, as Christopher Joyce explains, the mid-century target would be met by balancing inputs and outputs:
Date: Jun 01, 2017
Source: Google
New Research Shows How 'Atmospheric Rivers' Wreak Havoc Around The Globe
others hitting the state are being caused by atmospheric rivers - sinuous plumes of moisture that travel up from the tropics. A single one can carry more water than the Mississippi River. As NPR's Christopher Joyce reports, new research on these airborne rivers shows they do a lot more than drench us.
"Most, if not all of the breaks appear to be the result of geological processes well after the time of death," he tells NPR's Christopher Joyce. "Fossilization makes bones brittle, and when fossils are embedded in sediment they are often cracked, crushed, and distorted."
without much success. During that time, the U.S. government has been like the big-ticket movie star who's been offered the lead role but won't commit. Well, now President Obama thinks he's figured out how the U.S. can take the lead even without the support of Congress. NPR's Christopher Joyce reports.
Date: Dec 02, 2015
Category: U.S.
Source: Google
U.S. Promises To Cut Greenhouse Gas Emissions Up To 28 Percent By 2025
"The treaty to be negotiated next December would require both developed as well as developing countries to set goals for reducing emissions," NPR's Christopher Joyce reports for our Newscast desk. "The previous climate treaty, drafted in Kyoto in 1997, excluded developing countries and has had only
Date: Mar 31, 2015
Category: U.S.
Source: Google
Unexpected Life Found In The Ocean's Deepest Trench
the Pacific Ocean near the island of Guam. And an international team of scientists has just spent over a month sending probes down to the deepest place on the planet. The scientists were stunned by the amount of life they found there, including the deepest known fish. NPR's Christopher Joyce has more.
Date: Dec 25, 2014
Category: Sci/Tech
Source: Google
Changing Climate In Argentina Is Killing Penguin Chicks
their home on a patch of seashore along the coast of Argentina. It's called Punta Tombo. Science correspondent Christopher Joyce went there in 2003 for NPR's Radio Expeditions program. He visited a biologist who's been studying the penguins who now says our changing climate is threatening the colony.
Date: Jan 30, 2014
Category: Sci/Tech
Source: Google
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