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公开(公告)号：US11346593B2
公开(公告)日：2022-05-31
申请号：US16524014
申请日：2017-12-19
Applicant: Eppendorf AG
Inventor： Simon Clarke , George Mason , Rüdiger Uhlendorf
Abstract: A refrigerator fan device, comprising: a fan motor (10) which has a fan rotor (12) and which can be provided in an air duct between an air inlet (16), a refrigerator heat exchanger (15), and/or a refrigerator compressor (14) and an air outlet (18) on or in a refrigerator housing (20, 22), said fan motor (10) being connectable to a unit of the refrigerator, via electrical supply and/or control lines, wherein the fan motor (10) is realized as a brushless speed-controllable DC motor whose operating speed is or can be controlled as a function of an operating and/or used cooling space temperature signal of, the assigned or assignable refrigerator compressor.
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公开(公告)号：US20200158415A1
公开(公告)日：2020-05-21
申请号：US16524014
申请日：2017-12-19
Applicant: Eppendorf AG
Inventor： Simon Clarke , George Mason , Rüdiger Uhlendorf
Abstract: A refrigerator fan device, comprising: a fan motor (10) which has a fan rotor (12) and which can be provided in an air duct between an air inlet (16), a refrigerator heat exchanger (15), and/or a refrigerator compressor (14) and an air outlet (18) on or in a refrigerator housing (20, 22), said fan motor (10) being connectable to a unit of the refrigerator, via electrical supply and/or control lines, wherein the fan motor (10) is realized as a brushless speed-controllable DC motor whose operating speed is or can be controlled as a function of an operating and/or used cooling space temperature signal of, the assigned or assignable refrigerator compressor.
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公开(公告)号：US20190249920A1
公开(公告)日：2019-08-15
申请号：US16329264
申请日：2017-08-09
Applicant: Eppendorf AG
Inventor： Simon Clarke , Gary Poole , George Mason
CPC classification number: F25D29/008 , E05B47/0603 , E05B2047/0069 , F25B2500/27 , F25D11/04 , F25D29/00 , F25D29/006 , F25D2400/36 , F25D2600/02
Abstract: The invention relates to a grid voltage-operated refrigerating device, in particular an ultra-low-temperature refrigerating device, comprising a refrigerator door (2) which has a closure lever (22) that is pivotally hinged between an open position and a locked position and comprising locking means (24) which are paired with the closure lever, have an electric motor-actuated and/or electromagnetically actuated locking element (26) and lock or release the pivoting of the closure lever depending on a code actuation that can be entered by an operator using a code input unit (20). The locking means and the code input unit are paired with an electronic control unit (14) and grid voltage-independent battery buffering means (13) such that in response to a grid voltage outage, the code actuation and a release for a specified minimum period of time are made possible without a grid voltage supply. Display means (18), which are paired with the control unit and which are provided on the refrigerator door in particular, are designed to allow the current internal refrigerator temperature of the refrigerating device to be displayed in the event of a grid voltage outage at least over the specified minimum period of time.
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