Invention Grant
- Patent Title: Insulated double-walled exhaust system component and method of making the same
- Patent Title (中): 绝缘双壁排气系统组件及其制作方法
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Application No.: US12303447Application Date: 2007-05-23
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Publication No.: US08522828B2Publication Date: 2013-09-03
- Inventor: Richard P. Merry
- Applicant: Richard P. Merry
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- Agent Bradford B. Wright
- International Application: PCT/US2007/069543 WO 20070523
- International Announcement: WO2007/146568 WO 20071221
- Main IPC: F16L9/14
- IPC: F16L9/14 ; F01N3/02
Abstract:
A double-walled exhaust system component having glass bubbles disposed between inner and outer pipes and method of making the same. The glass bubbles have a size distribution wherein, on a bulk volume basis, at least 90 percent of the glass bubbles have a size of less than 150 micrometers.
Public/Granted literature
- US20090277526A1 INSULATED DOUBLE-WALLED EXHAUST SYSTEM COMPONENT AND METHOD OF MAKING THE SAME Public/Granted day:2009-11-12
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