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 Title: |
US5027602:
Heat engine, refrigeration and heat pump cycles approximating the Carnot cycle and apparatus therefor
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Glen, John S.; Deep River, Canada
Edwards, Thomas C.; Rockledge, FL
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| Assignee: |
Atomic Energy of Canada, Ltd., Ontario, Canada
other patents from ATOMIC ENERGY OF CANADA LIMITED (44060) (approx. 234)
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| Published / Filed: |
1991-07-02
/ 1990-06-15
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| Application Number: |
US1990000538810
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| IPC Code: |
Advanced:
F01K 19/02;
F25B 1/00;
Core:
F01K 19/00;
more...
IPC-7:
F01K 25/10;
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| U.S. Class: |
Current:
060/651;
060/649;
060/671;
Original:
060/651;
060/649;
060/671;
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| Field of Search: |
060/651,670,671,649
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| Priority Number: |
| 1989-08-18 |
US1989000395630 |
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| Abstract: |
A process and apparatus by means of which the premier vapor cycle, known as the Carnot cycle, can be approximated in practice, involve the application of novel energy-efficient, mixed phase, high volume-ratio fluid-handling machinery to a single-component working fluid that exists during certain processes as a mixture of fine droplets of saturated liquid in saturated vapor. This combination of fluid-handling machinery and the saturated mixed-phase working fluid enables the approximation of isentropic saturated liquid/vapor expansion and compression. These process approximations, in addition to isothermal heat addition and rejection, enable Carnot heat engine, refrigeration and heat pump cycles to be approximated.
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| Attorney, Agent or Firm: |
Toupal, John E. ;
Ross, John W. ;
Jarcho, Harold G. ;
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| Primary / Asst. Examiners: |
Ostrager, Allen M.;
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| Maintenance Status: |
E2 Expired Check current status
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| INPADOC Legal Status: |
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| Foreign References: |
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| Other Abstract Info: |
DERABS G91-087345
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| Other References: |
O. Badar, P. W. O'Callaghan, M. Hussein, S. C. Probert, Multi-Vane Expanders as Prime Movers for Low Grade Energy Organic Rankine-Cycle Engines, Applied Energy 16 (1984), pp. 129-140.
(18 pages)
N. Arai, K. Matsubara, "Scroll & Screw Compressors: The Latest Compressor Technology for Air Conditioning and Refrigeration", Hitachi Review, vol. 34, No. 3, 1985, pp. 141-146.
S. E. Eckard, "Multi-Vane Expander as Prime Mover in Low Temperature Solar or Waste Heat Applications", IECEC 1975, pp. 1399-1405.
H. Holcroft, "Condensing by Compression: A Locomotive Experiment", The Engineer, 6 Sep. 1946, pp. 202, 203, 13, Sep. 1946, pp. 227, 229, 20 Sep. 1946, pp. 248, 249 and subsequent letters of Oct. 4/46; Oct. 11, 18/46; Nov. 15/46; Dec. 6, 20/46; Jan. 17, 24/47; Mar. 21/47; May 9, 23/47.
U. K. Patent 271,929, "Improvements in Steam Power Installations", 1 Jun. 1927.
U. K. Patent 290,783, "Improvements Relating to Conservation of Heat in a Steam Powered System", 24 May 1928.
Anderson's Compression System-Observations on Patent Specifications-by H. Holcroft (undated).
C. Hickman, W. E. J. Neal, "Implications of Cooling Rotary Sliding Vane Heat Pump Compressors", Int. J. Ambient Energy V5N4, Oct. 1984.
Shao-Kai Yang, Sen-Quan Zhou, Si-Yang Sun, "International Water-Spray Cooling of the Reciprocating Compressor", 1988 International Compressor Engineering Conference at Purdue, West Lafayette, Ind., 1988 Jul. 18-21, vol. 2, pp. 526-531.
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