System having a hand tool case, latent heat storage unit, and a hand tool battery provided for inductive charging

• US 10,063,096 B2
• Filed: 11/07/2012
• Issued: 08/28/2018
• Est. Priority Date: 11/22/2011
• Status: Expired due to Fees

• Current Assignee: Robert Bosch GmbH
• Original Assignee: Robert Bosch GmbH
• Inventors: Rejman, Marcin, Mack, Juergen
• Primary Examiner(s): Grant, Robert
• Assistant Examiner(s): Trischler, John
• Application Number:
  US14/359,783
• Publication Number:
  US 20140327396A1
• Time in Patent Office: 2,120 Days
• Field of Search: 320108, 307104, 16510418, 16510415, 16510413
• CPC Class Codes: B25H 3/006 Storage means specially adapted for one specific hand apparatus, e.g. an electric drill
• CPC Class Codes: B25H 3/02 Boxes
• CPC Class Codes: H01M 10/44 Methods for charging or discharging circuits for charging H02J7/00
• CPC Class Codes: H01M 10/46 Accumulators structurally combined with charging apparatus circuits for charging H02J7/00
• CPC Class Codes: H01M 10/60 Heating or cooling; Temperature control
• CPC Class Codes: H01M 10/6235 Power tools
• CPC Class Codes: H01M 10/659 by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 7/00 Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

A system having a hand tool battery, a hand tool case which has at least one inductive charge receiving area which is provided for storing a hand tool battery which is inserted into the inductive charge receiving area at least partially in close proximity to at least one wall of the hand tool case, and having at least one latent heat storage unit which is provided for influencing at least a temperature of the at least one hand tool battery.

Claims

1. A system, comprising:

a hand tool battery, wherein the hand tool battery is removable;

a hand tool;

a hand tool case which is adapted to store the hand tool and which includes a carrying handle provided for transporting the hand tool case and which has at least two inductive charge receiving areas that are separated from each other for storing the hand tool battery which is insertable into the inductive charge receiving areas at least partially in close proximity to at least one wall of the hand tool case; and

at least one latent heat storage unit to influence at least a temperature of the hand tool battery,

wherein the latent heat storage unit has at least one latent heat storage element that;

is situated external to the hand tool battery;

forms at least a portion of a housing of the hand tool battery and is permanently joined to at least a portion of the hand tool case; and

is situated at least partially in close proximity at least partially around the at least two inductive charge receiving areas and which is configured to at least partially delimit the at least two inductive charge receiving areas.

2. The system of claim 1, wherein the latent heat storage unit has at least one latent heat storage element which is situated in the hand tool battery.

3. The system of claim 1, wherein the latent heat storage unit has at least one latent heat storage element to at least temporarily avoid undercooling of the hand tool battery.

4. The system of claim 1, wherein the latent heat storage unit has at least one latent heat storage element situated in close proximity to at least one wall of the hand tool case.

5. The system of claim 1, wherein the latent heat storage unit has at least one latent heat storage element to at least one of absorb and emit heat from a melting process.

6. The system of claim 1, wherein the latent heat storage unit has at least one latent heat storage element which is connected to at least one wall of the hand tool case.

7. The system of claim 1, wherein the hand tool case includes two housing parts embodied as a shell and a lid of the hand tool case, and the latent heat storage unit has at least two latent heat storage elements, wherein one of the at least two latent heat storage elements is connected to the shell and the other of the two latent heat storage elements is connected to the lid.

8. The system of claim 1, wherein the latent heat storage unit has at least two latent heat storage elements which form an inductive charge receiving area provided for accommodating the hand tool battery.

9. The system of claim 1, wherein at least 70% by volume of the latent heat storage element is situated at a maximum distance of 5 cm from the hand tool battery.

10. The system of claim 1, wherein at least 70% by volume of the latent heat storage element is situated at a maximum distance of 5 cm from the at least one wall of the hand tool case.

11. The system of claim 1, wherein the at least one latent heat storage element is provided for at least temporarily avoiding overheating of the hand tool battery.

12. The system of claim 11, further comprising:

at least one insulating unit at least partially enclosing at least one of the latent heat storage element and the at least the one hand tool battery.

13. The system of claim 1, wherein the at least one latent heat storage unit includes at least one latent heat storage element configured to avoid undercooling and which is configured in one piece with at least one latent heat storage element which is configured to avoid overheating have a one-piece configuration.

14. The system of claim 13, wherein the at least one latent heat storage element configured to avoid undercooling at least partially encloses at least one of the hand tool battery and the at least one latent heat storage element configured to avoid overheating.

15. The system of claim 1, wherein the latent heat storage unit has at least one latent heat storage element which is formed from an enclosure which is filled with latent heat storage material.

16. The system of claim 15, wherein the latent heat storage material of the latent heat storage element is made of a granulate.

17. The system of claim 15, wherein the enclosure of the latent heat storage element is made of an at least essentially watertight material.

18. The system of claim 1, wherein the latent heat storage unit has a modular configuration.

19. The system of claim 18, further comprising:

a second latent heat storage element for replacing a first latent heat storage element of the latent heat storage unit, the second latent heat storage element having a different temperature specification than the first latent heat storage element.

20. The system of claim 18, wherein the latent heat storage unit has at least one latent heat storage element satisfies at least one of:

(i) is removable from the latent heat storage unit, and (ii) whose position in the latent heat storage unit is changeable.

21. The system of claim 18, wherein the latent heat storage unit has at least three latent heat storage elements.

22. The system of claim 21, wherein at least the three latent heat storage elements have at least essentially the same shape.

23. A hand tool case of a system, comprising:

a hand tool case arrangement which is adapted to store the hand tool and which includes a carrying handle provided for transporting the hand tool case which has at least two inductive charge receiving areas that are separated from each other for storing a hand tool battery which is insertable into the inductive charge receiving area at least partially in close proximity to at least one wall of the hand tool case arrangement; and

wherein the hand tool case arrangement is for use with the system, which includes the hand tool battery and at least one latent heat storage unit to influence at least a temperature of the hand tool battery,

wherein the latent heat storage unit has at least one latent heat storage element that;

is situated external to the hand tool battery;

forms at least a portion of a housing of the hand tool battery and is permanently joined to at least a portion of the hand tool case; and

is configured to at least partially delimit the inductive charge receiving areas.

24. A hand tool battery of a system, comprising:

a hand tool battery arrangement for use with the system;

wherein the system includes a hand tool case which is adapted to store the hand tool and which includes a carrying handle provided for transporting the hand tool case which has at least two inductive charge receiving areas that are separated from each other for storing the hand tool battery arrangement which is insertable into the inductive charge receiving area at least partially in close proximity to at least one wall of the hand tool case, and

wherein the system includes at least one latent heat storage unit to influence at least a temperature of the hand tool battery,

wherein the latent heat storage unit has at least one latent heat storage element that;

is situated external to the hand tool battery;

forms at least a portion of a housing of the hand tool battery and is permanently joined to at least a portion of the hand tool case; and

is configured to at least partially delimit the inductive charge receiving areas.

25. A latent heat storage element of a system, comprising:

a latent heat storage element arrangement to influence at least a temperature of at least one hand tool battery for use with a system;

wherein the system includes the at least one hand tool battery and a hand tool case which is adapted to store the hand tool and which includes a carrying handle provided for transporting the hand tool case which has at least two inductive charge receiving areas that are separated from each other for storing the at least one hand tool battery which is insertable into the inductive charge receiving area at least partially in close proximity to at least one wall of the hand tool case,

wherein the at least one latent heat storage element;

is situated external to the hand tool battery;

forms at least a portion of a housing of the hand tool battery and is permanently joined to at least a portion of the hand tool case; and

is configured to at least partially delimit the inductive charge receiving areas.

26. The latent heat storage element of a system of claim 25,

wherein the latent heat storage arrangement has at least one latent heat storage element which is situated in the at least one hand tool battery.