JPS5677575A - Heat driven engine - Google Patents
Heat driven engineInfo
- Publication number
- JPS5677575A JPS5677575A JP15588879A JP15588879A JPS5677575A JP S5677575 A JPS5677575 A JP S5677575A JP 15588879 A JP15588879 A JP 15588879A JP 15588879 A JP15588879 A JP 15588879A JP S5677575 A JPS5677575 A JP S5677575A
- Authority
- JP
- Japan
- Prior art keywords
- pulleys
- belt
- shape memory
- heated
- memory alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Pulleys (AREA)
Abstract
PURPOSE: To reduce mechanical loss by extending ordinary belts between pulleys, in a heat driven engine in which pulleys are rotated by use of belts made of a shape memory alloy.
CONSTITUTION: One belt 3 is heated by heating means 4 and another belt 3 is cooled by cooling means 5. Hot water of hot spring or the like is utilized as heating means 4, and cool water or the like is utilized as cooling means. When a belt 3 made of a shape memory alloy such as an Ni-Ti alloy or the like are heated to a temperature above a transformation temperature of the shape memory alloy, and a belt 3 at the opposite side is cooled to a temperature below the transformation temperature, the heated belt 3 tends to return to a shape memory processed, and generates tension around the heating part. Upon this occasion, pulleys 1 and 2 are rotated in a direction where a force acting on both pulleys 1 and 2 is strong. At the above pulleys 1 and 2 there are provided pulleys 9 and 10 between which an ordinary belt 11 is strung in parallel to the pulleys 1 and 2, thereby to reduce the mechanical loss.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15588879A JPS5677575A (en) | 1979-11-30 | 1979-11-30 | Heat driven engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15588879A JPS5677575A (en) | 1979-11-30 | 1979-11-30 | Heat driven engine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5677575A true JPS5677575A (en) | 1981-06-25 |
Family
ID=15615689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15588879A Pending JPS5677575A (en) | 1979-11-30 | 1979-11-30 | Heat driven engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5677575A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991007589A1 (en) * | 1989-11-09 | 1991-05-30 | Yasubumi Furuya | Temperature difference heat engine |
FR2789734A1 (en) * | 1999-01-25 | 2000-08-18 | Paul Ducretet | Irreversible thermal machine used as motor comprises two pulleys of different diameter holding spiral spring cable heated up from top of pulleys and cooled down from bottom of pulleys |
CN102650274A (en) * | 2011-02-28 | 2012-08-29 | 通用汽车环球科技运作有限责任公司 | Shape memory alloy heat engine and energy collecting system |
-
1979
- 1979-11-30 JP JP15588879A patent/JPS5677575A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991007589A1 (en) * | 1989-11-09 | 1991-05-30 | Yasubumi Furuya | Temperature difference heat engine |
FR2789734A1 (en) * | 1999-01-25 | 2000-08-18 | Paul Ducretet | Irreversible thermal machine used as motor comprises two pulleys of different diameter holding spiral spring cable heated up from top of pulleys and cooled down from bottom of pulleys |
CN102650274A (en) * | 2011-02-28 | 2012-08-29 | 通用汽车环球科技运作有限责任公司 | Shape memory alloy heat engine and energy collecting system |
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