Externally fitted control device and hydraulic control module for an externally fitted control device

Patent metadata

Field	Value
Publication number	US-9541216-B2
Application number	US-201414330069-A
Country	US
Kind code	B2
Filing date	Jul 14, 2014
Priority date	Aug 15, 2013
Publication date	Jan 10, 2017
Grant date	Jan 10, 2017

Abstract

The externally fitted control device includes an electronic control module ( 1 ), a hydraulic control module ( 2 ) and a common control enclosure ( 3 ). The hydraulic control module ( 2 ) has electromagnetic actuators ( 10 ) and control pistons ( 14 ) which are positioned on top of one another to result in a compact design which is safe to operate and can be manufactured economically.

First claim

The invention claimed is:

1. An externally fitted control device comprising:
an electronic control module ( 1 ) and a hydraulic control module ( 2 );
the electronic control module ( 1 ) and the hydraulic control module ( 2 ) both being positioned in a common control enclosure ( 3 );
the common control enclosure ( 3 ) being connected fluid tight with a transmission enclosure ( 9 ) so as to create a fluid tight space with respect to an external environment in which the electronic control module ( 1 ) and the hydraulic control module ( 2 ) are positioned; and
the hydraulic control module ( 2 ) including control pistons ( 14 ), electromagnetic actuators ( 10 ), and ducts ( 16 , 17 ) for guiding pressure or fluid, and the control pistons ( 14 ) and the electromagnetic actuators ( 10 ) being spaced from one another such that the control pistons ( 14 ) are arranged along a first plane ( 21 ) and the electromagnetic ( 10 ) are arranged along a second plane ( 20 ) spaced from the first plane ( 21 ).

2. The externally fitted control device according to claim 1 , further comprising that the space is separated by a separation wall ( 5 ) into first and second subspaces ( 6 , 7 ), and the electronic control module ( 1 ) is positioned in the first subspace ( 6 ), and the hydraulic control module ( 2 ) is positioned in the second subspace ( 7 ).

3. The externally fitted control device according to claim 1 , further comprising that the hydraulic control module ( 2 ) is connected with the transmission enclosure ( 9 ).

4. The externally fitted control device according to claim 2 , further comprising that the separating wall ( 5 ) has at least one bracket to which the electronic control module ( 1 ) is attached.

5. The externally fitted control device according to claim 2 , further comprising that the common control enclosure ( 3 ) has a cover which creates a wall in the space in which the electronic control module ( 1 ) is positioned.

6. A hydraulic control module in which the hydraulic control module ( 2 ) includes ducts ( 16 , 17 ), for guiding pressure or fluid, electromagnetic actuators ( 10 ), and control pistons ( 14 );
wherein the hydraulic control module ( 2 ) has a first surface ( 19 ) by which the hydraulic control module ( 2 ) is connectable with a transmission enclosure ( 9 ) and by which the ducts ( 17 ) guide the pressure or the fluid to the transmission enclosure ( 9 ), a first plane ( 21 ) is spaced from the first surface ( 19 ) and the electromagnetic actuators ( 10 ) are arranged along the first plane ( 21 ), and a second plane ( 20 ) is spaced from both the first plane ( 21 ) and the first surface ( 19 ), and the control pistons ( 14 ) are arranged along the second plane ( 20 ).

7. The hydraulic control module according to claim 6 , wherein ducts ( 17 ) for the control pistons ( 14 ) terminate at the second plane ( 20 ) and the ducts ( 16 ) for the electromagnetic actuators ( 10 ) terminate at the first plane ( 21 ).

8. The hydraulic control module according to claim 7 , further comprising that the second plane can be sealed in a pressure tight manner by a cover ( 23 ).

9. The hydraulic control module according to claim 7 , further comprising that at least several of the ducts ( 17 ), for the control pistons ( 14 ), and several ducts ( 16 ), for the electromagnetic actuators ( 10 ), are connected with one another.

10. The hydraulic control module according to claim 7 , further comprising that the hydraulic control module ( 2 ) comprises a one-piece enclosure part which includes open ducts ( 16 ) which are sealed, on one hand, by a cover ( 23 ) and, on the other hand, by the transmission enclosure ( 9 ).

11. The hydraulic control module according to claim 7 , further comprising that the hydraulic control module ( 2 ) comprises first and second enclosure parts ( 12 , 13 ) which each include open ducts ( 16 , 17 ) which are sealed, on one hand, by connection of the first and the second enclosure parts ( 12 , 13 ) with one another and, on the other hand, by the transmission enclosure ( 9 ).

12. An externally fitted control device comprising:
an electronic control module ( 1 ) and a hydraulic control module ( 2 );
the electronic control module ( 1 ) and the hydraulic control module ( 2 ) both being positioned in a common control enclosure ( 3 );
the common control enclosure ( 3 ) being connected fluid tight with a transmission enclosure ( 9 ) so as to create a fluid tight space with respect to an external environment in which the electronic control module ( 1 ) and the hydraulic control module ( 2 ) are positioned;
the hydraulic control module includes ducts ( 16 , 17 ), for guiding pressure or fluid, electromagnetic actuators ( 10 ), and control pistons ( 14 );
the hydraulic control module ( 2 ) has a first surface ( 19 ) by which the hydraulic control module ( 2 ) is connectable with the transmission enclosure ( 9 ) and by which the ducts ( 17 ) guide the pressure or the fluid to the transmission enclosure ( 9 ), a first plane ( 21 ) is spaced from the first surface ( 19 ) and the electromagnetic actuators ( 10 ) are arranged along the first plane ( 21 ), and a second plane ( 20 ) is spaced from both the first plane ( 21 ) and the first surface ( 19 ), and the control pistons ( 14 ) are arranged along the second plane ( 20 ).

Assignees

• Zahnradfabrik Friedrichshafen

Inventors

• Forster Kathrin
• Riedhammer Michael
• Schneider Jochen
• Bayer Oliver

Classifications

• F16H2061/308

  Modular hydraulic shift units, i.e. preassembled actuator units for select and shift movements adapted for being mounted on transmission casing · CPC title

• G05D16/202

  actuated by an electric motor · CPC title

• F16K31/426 Primary

  the actuated valves being cylindrical sliding valves · CPC title

• F16H61/0009

  Hydraulic control units for transmission control, e.g. assembly of valve plates or valve units · CPC title

• Y10T137/86614

  Electric · CPC title