公开(公告)号：WO2014093759A1

公开(公告)日：2014-06-19

申请号：PCT/US2013/074899

申请日：2013-12-13

Applicant: BRAMMO, INC.

Inventor： RIEGELS, Daniel, M.

IPC: H02K9/19

CPC classification number: H02K9/19 ,  H02K5/20

Abstract: A fluid-cooled electric motor includes a generally tubular-shaped motor housing having a plurality of channels through which a coolant can flow. The channels are spaced apart from each other in an annular arrangement around the housing and extend through the housing in an axial direction. Each of the channels is surrounded by a portion of the housing defining walls of the channel forming a cooling surface area.

Abstract translation: 流体冷却的电动机包括具有多个通道的大致管状的电动机壳体，冷却剂可以通过该通道流动。 通道以围绕壳体的环形布置彼此间隔开并且在轴向方向上延伸穿过壳体。 每个通道被形成冷却表面区域的通道的限定壁的一部分包围。

公开(公告)号：WO2014113797A1

公开(公告)日：2014-07-24

申请号：PCT/US2014/012342

申请日：2014-01-21

Applicant: BRAMMO, INC.

Inventor： RIEGELS, Daniel, M.

IPC: F16H61/18 ,  F16H61/16 ,  F16H3/44 ,  B60W10/10

CPC classification number: B60W10/08 ,  B60W10/11 ,  B60W30/1884 ,  B60W2510/08 ,  B60W2510/081 ,  B60Y2200/91 ,  F16H61/16 ,  F16H2061/166

Abstract: Methods and apparatus are provided for preventing over-shifting in electric vehicles having a multi-gear transmission and an electric motor operable in a drive mode and a regenerative braking mode. The method includes: (a) predicting the speed of the electric motor resulting from downshifting from a current gear being used to a next lower gear based on a current speed of the electric vehicle, a current speed of the electric motor, and a gear ratio of the next lower gear; (b) determining if the speed of the electric motor predicted in (a) will cause an overvoltage condition from regenerative braking or an overspin condition in the electric motor; (c) preventing downshifting to the next lower gear when it is determined that the downshifting will cause an overvoltage condition or an overspin condition in the electric motor; and (d) repeating steps (a), (b), and (c) a plurality of times.

Abstract translation: 提供了一种用于防止具有多档传动装置的电动车辆和在驱动模式和再生制动模式下可操作的电动机的过度换档的方法和装置。 该方法包括：（a）基于电动车辆的当前速度，电动机的当前速度和齿轮比来预测从当前使用的档位降档到下一个较低档的电动机的速度 的下一个低档; （b）确定（a）中预测的电动机的速度是否会导致电动机中的再生制动或过载状态的过电压状态; （c）当确定降档将导致电动机中的过电压状态或过冲状态时，防止降档到下一个低档位; 和（d）多次重复步骤（a），（b）和（c）。