"Exotic" Stirling Engines

Variable Displacement Stirling Engine 1 - lower yoke; 2 - stem; 3 - adjustment screw; 4 - nut; 5 - lower rod; 6 - leaning bar; 7 - adjustment bar; 8 - counterbalance; 9 - crankshaft; 10 - triangular plate; 11 - upper rod; 12 - upper yoke; 13 - cylindrical stem; 14 - gear wheel; 15 - buffer; 16 - cylinder; 17 - power piston; 18 - compression space; 19 - cooler; 20 - regenerator; 21 - displacer; 22 - expansion space; 23 - heater; 24 - burning chamber. Figure from: Homutescu V.M., Jugureanu E., Bălănescu D.T., Homutescu A., Power And Heat Cogeneration Using Variable Displacement Stirling Engine. The 3rd International Conference of Electric and Power Engineering, "EPE 2004", 7th-8th of October 2004, in Bul. I.P.I., Tom L (LIV), Fasc. 5A, p. 1113 ... 1118, ISSN 1223-8139. Full text is available on "Selected papers" page.

Stirling Motor-Driven Compressor Stirling Motor-Driven Compressor based on α arrangement: 1 - crankshaft; 2, 22 - rod; 3 - stage I intake manifold; 4 - stage I inlet valve; 5 - stage I outlet valve; 6 - stage I compressor space; 7, 18 - cylinder; 8 - displacer; 9 - expansion chamber; 10 - stage I discharge manifold; 11 - heater; 12 - regenerator; 13 - cooler; 14 - intermediate cooler; 15 - stage II intake manifold; 16 - compression chamber; 17 - power piston; 19 - stage II inlet valve; 20 - stage II compressor space; 21 - stage II outlet valve; 22 - stage II discharge manifold. Figure from: Homutescu V.M., Kinematic Stirling Motor-Driven Compressors. Conferinţa Naţională de Energetică Industrială cu Participare Internaţională CNEI 2005, „Modelling and Optimization in the Machine Building Field“, MOCM-11, Vol. 3, edited by "Academia Română de Ştiinţe Tehnice" and University of Bacău, ALMA MATER Publishing House, Bacău, 2005, p. 49-52, ISSN 1224-7480. Full text is available on "Selected papers" page.

Beta-Type Engine-Driven Stirling Compressor 1 - combustion chamber; 2 - heater; 3 - expansion chamber; 4 - displacer; 5 - regenerator; 6 - cooler; 7 - discharge valve; 8 - discharge line; 9 - compression chamber; 10 - power piston; 11 - buffer space; 12 - drive mechanism; 13 - suction valve; 14 - suction line; 15 - cylinder; α - crankshaft angle. Figure from: Homutescu V.M., Maximum Performances of the Stirling Machine Working as Motor-Driven Compressor. 5th International Conference “Advanced Concepts in Mechanical Engineering”, Iaşi / Jassy, 14th-15th of June 2012, Bul. I.P.I., Tom LIX (LXIII), Fasc. 3, 2013, p. 27 ... 38. Full text is available on "Selected papers" page.

Variable Displacement Alpha-Type Stirling Engine 1 - displacer; 2 - expansion chamber; 3 - cooler; 4 - regenerator ; 5 - heater; 6 - compression chamber; 7 - power piston; 8 - power piston cylinder; 9 - power piston rod; 10 - triangular plate; 11 - adjustment bar; 12 - leaning bar; 13 - nut; 14 - screw; 15 - crankshaft; 16 - displacer rod; 17 - displacer cylinder. Figure from: Homutescu V. M., Bălanescu D.-T., Panaite Carmen Ema, Atanasiu M.-V., Variable displacement alpha-type stirling engine. 7th International Conference on Advanced Concepts in Mechanical Engineering, 9th–10th of June 2016, Iaşi / Jassy, Romania, IOP Conference Series: Materials Science and Engineering, volume 147, 2016, paper 012143, 7 pp., DOI: 10.1088/1757-899X/147/1/012143. Full text is available on "Selected papers" page.

Some Animations of Stirling Engines