Source: https://patents.google.com/patent/US20060290241A1/en
Timestamp: 2019-04-19 12:46:04
Document Index: 513476755

Matched Legal Cases: ['§ 119', 'Application No. 60', '§119', 'Application No. 60', '§119', 'Application No. 60', '§119', 'Application No. 60', '§ 19', 'Application No. 60', '§119', 'Application No. 60', '§ 119', 'Application No. 60']

US20060290241A1 - Electroactive polymer animated devices - Google Patents
US20060290241A1
US20060290241A1 US11/411,007 US41100706A US2006290241A1 US 20060290241 A1 US20060290241 A1 US 20060290241A1 US 41100706 A US41100706 A US 41100706A US 2006290241 A1 US2006290241 A1 US 2006290241A1
US11/411,007
US7211937B2 (en
2006-04-24 Application filed by SRI International filed Critical SRI International
2006-09-11 Assigned to SRI INTERNATIONAL reassignment SRI INTERNATIONAL ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PEI, QIBING, PELRINE, RONALD E., ECKERLE, JOSEPH S., KORNBLUH, ROY D.
2006-12-28 Publication of US20060290241A1 publication Critical patent/US20060290241A1/en
2007-05-01 Publication of US7211937B2 publication Critical patent/US7211937B2/en
and the '506 patent application is a continuation-in-part and claims priority from U.S. patent application Ser. No. 09/619,847, now U.S. Pat. No. 6,812,624 entitled “Improved Electroactive Polymers,” filed Jul. 20, 2000 which is incorporated herein by reference in its entirety for all purposes which claims priority a) under 35 U.S.C. § 119(e) from U.S. Provisional Patent Application No. 60/144,556 filed Jul. 20, 1999, naming R. E. Pelrine et al. as inventors, and titled “High-speed Electrically Actuated Polymers and Method of Use”, which is incorporated by reference herein for all purposes and which claims priority b) under 35 U.S.C. §119(e) from U.S. Provisional Patent Application No. 60/153,329 filed Sep. 10, 1999, naming R. E. Pelrine et al. as inventors, and titled “Electrostrictive Polymers As Microactuators”, which is incorporated by reference herein for all purposes and which claims priority c) under 35 U.S.C. §119(e) from U.S. Provisional Patent Application No. 60/161,325 filed Oct. 25, 1999, naming R. E. Pelrine et al. as inventors, and titled “Artificial Muscle Microactuators”, which is incorporated by reference herein for all purposes and which claims priority d) under 35 U.S.C. §119(e) from U.S. Provisional Patent Application No. 60/181,404 filed Feb. 9, 2000, naming R. D. Kornbluh et al. as inventors, and titled “Field Actuated Elastomeric Polymers”, which is incorporated by reference herein for all purposes and which claims priority (e) under 35 U.S.C. § 19(e) from U.S. Provisional Patent Application No. 60/187,809 filed Mar. 8, 2000, naming R. E. Pelrine et al. as inventors, and titled “Polymer Actuators and Materials”, which is incorporated by reference herein for all purposes; and which claims priority f) under 35 U.S.C. §119(e) from U.S. Provisional Patent Application No. 60/192,237 filed Mar. 27, 2000, naming R. D. Kornbluh et al. as inventors, and titled “Polymer Actuators and Materials II”, which is incorporated by reference herein for all purposes and which claims priority g) under 35 U.S.C. § 119(e) from U.S. Provisional Patent Application No. 60/184,217 filed Feb. 23, 2000, naming R. E. Pelrine et al. as inventors, and titled “Electroelastomers and their use for Power Generation”, which is incorporated by reference herein for all purposes;
FIGS. 4A-4E show a rolled electroactive polymer device 20 in accordance with one embodiment of the present invention. The rolled electroactive polymer device may be used for actuation in EPAM devices for performing thermodynamic work on a fluid and may also act as part of a fluid conduit or other types of structures immersed in an external or internal flowfield that is used with the devices for performing thermodynamic work. The rolled electroactive polymer devices may provide linear and/or rotational/torsional motion for operating the EPAM devices. For instance, see the fan embodiment in FIG. 2H. FIG. 4A illustrates a side view of device 20. FIG. 4B illustrates an axial view of device 20 from the top end. FIG. 4C illustrates an axial view of device 20 taken through cross section A-A. FIG. 4D illustrates components of device 20 before rolling. Device 20 comprises a rolled electroactive polymer 22, spring 24, end pieces 27 and 28, and various fabrication components used to hold device 20 together.
End pieces 27 and 28 are attached to opposite ends of rolled electroactive polymer 22 and spring 24. FIG. 4E illustrates a side view of end piece 27 in accordance with one embodiment of the present invention. Endpiece 27 is a circular structure that comprises an outer flange 27 a, an interface portion 27 b, and an inner hole 27 c. Interface portion 27 b preferably has the same outer diameter as spring 24. The edges of interface portion 27 b may also be rounded to prevent polymer damage. Inner hole 27 c is circular and passes through the center of endpiece 27, from the top end to the bottom outer end that includes outer flange 27 a. In a specific embodiment, endpiece 27 comprises aluminum, magnesium or another machine metal. Inner hole 27 c is defined by a hole machined or similarly fabricated within endpiece 27. In a specific embodiment, endpiece 27 comprises inch end caps with a ⅜ inch inner hole 27 c.
US11/411,007 1999-07-20 2006-04-24 Electroactive polymer animated devices Active US7211937B2 (en)
US10/393,506 Continuation US7064472B2 (en) 1999-07-20 2003-03-18 Electroactive polymer devices for moving fluid
US11/696,834 Continuation US7411332B2 (en) 1999-07-20 2007-04-05 Electroactive polymer animated devices
US20060290241A1 true US20060290241A1 (en) 2006-12-28
US7211937B2 US7211937B2 (en) 2007-05-01
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Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KORNBLUH, ROY D.;PELRINE, RONALD E.;PEI, QIBING;AND OTHERS;REEL/FRAME:018229/0627;SIGNING DATES FROM 20060815 TO 20060904