Invention Grant
US09306486B2 System and method for controlling the stroke and operation at resonance frequency of a resonant linear motor
有权
用于控制谐振线性电动机的谐振频率的行程和操作的系统和方法
- Patent Title: System and method for controlling the stroke and operation at resonance frequency of a resonant linear motor
- Patent Title (中): 用于控制谐振线性电动机的谐振频率的行程和操作的系统和方法
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Application No.: US14238665Application Date: 2012-08-10
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Publication No.: US09306486B2Publication Date: 2016-04-05
- Inventor: Douglas Pereira da Silva , Paulo Sérgio Dainez , Renê Adriano Weise
- Applicant: Douglas Pereira da Silva , Paulo Sérgio Dainez , Renê Adriano Weise
- Applicant Address: BR São Paulo-SP
- Assignee: Whirlpool S.A.
- Current Assignee: Whirlpool S.A.
- Current Assignee Address: BR São Paulo-SP
- Agency: Holland & Knight LLP
- Agent Brian J. Colandreo; Michael T. Abramson
- Priority: BR1103776 20110819
- International Application: PCT/BR2012/000286 WO 20120810
- International Announcement: WO2013/026115 WO 20130228
- Main IPC: H02P25/02
- IPC: H02P25/02 ; F04B35/04 ; F04B49/06 ; H02K33/16

Abstract:
Linear compressor comprising a resonant linear motor (4) having a stator (9) and a linear displacer (3), the linear motor (4) cooperating with a resonant spring (2) that is driven by the linear displacer (3) at one of the ends of the resonant spring (2) with the opposite end of the resonant spring (2) cooperating with a mechanical actuation element (1). A variation sensor of magnetic flux (5) cooperates with the resonant spring (2). Said variation sensor of magnetic flux (5) comprising a fixed part (7) and a movable part (6), the movable part (6) coupled to the end of the resonant spring (2) opposite to the end cooperating with the linear displacer (3). The variation sensor of magnetic flux (5) is the sole means required to determine the displacement amplitude and the frequency of oscillation of the displacer (3) of the linear motor (4). Corresponding method for controlling the stroke in such a linear compressor.
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