发明名称 |
FLUID ENERGY TRANSFER DEVICE |
摘要 |
<p>A trochoidal gear pump or engine uses a coaxial hub with the outer and/or inner rotor and an associated rolling element bearing assembly that preferably uses pre-loaded bearings to precisely set the rotational axis and/or the axial position of the rotor with which it is associated. This allows the fixed-gap clearance between the rotor surfaces and the housing surfaces or the other rotor surfaces to be set at a distance that minimizes operating fluid shear forces and/or by-pass leakage and eliminates gear tooth wear thus preserving effective chamber to chamber sealing. The device is useful in handling gaseous and two-phase fluids in expansion/contracting fluid engines/compressors and can incorporate an output shaft that accommodates an integrated condensate pump for use with Rankine cycles. A vent from the housing cavity to a lower pressure input or output port regulates built-up fluid pressure in the housing thereby optimizing the efficiency of the device by controlling bypass leakage.</p> |
申请公布号 |
EP1131536(A1) |
申请公布日期 |
2001.09.12 |
申请号 |
EP19990963919 |
申请日期 |
1999.11.17 |
申请人 |
THE OHIO STATE UNIVERSITY RESEARCH FOUNDATION |
发明人 |
THE OHIO STATE UNIVERSITY RESEARCH FOUNDATION |
分类号 |
F01C1/10;(IPC1-7):F01C1/10;F04C2/10 |
主分类号 |
F01C1/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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