An industrial vehicle includes a vehicle body and a battery pack, which is placed in the vehicle body. The battery pack includes a counterweight and at least one battery cell, which partially contacts the counterweight. The battery pack is arranged in the vehicle body such that a contact portion of
An industrial vehicle includes a vehicle body and a battery pack, which is placed in the vehicle body. The battery pack includes a counterweight and at least one battery cell, which partially contacts the counterweight. The battery pack is arranged in the vehicle body such that a contact portion of the counterweight that contacts the at least one battery cell exchanges heat with relative wind by a greater amount than a non-contact portion of the at least one battery cell that have no contact with the counterweight.
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1. An industrial vehicle comprising: a vehicle body; anda battery pack, which is placed in the vehicle body, whereinthe battery pack has a counterweight and a plurality of battery cells, each of the plurality of battery cells contact the counterweight at a contact portion of the counterweight,the co
1. An industrial vehicle comprising: a vehicle body; anda battery pack, which is placed in the vehicle body, whereinthe battery pack has a counterweight and a plurality of battery cells, each of the plurality of battery cells contact the counterweight at a contact portion of the counterweight,the contact portion of the counterweight is exposed to an outside environment surrounding the industrial vehicle such that the contact portion exchanges heat with relative wind by a greater amount than non-contact portions of the plurality of battery cells that have no contact with the counterweight,the contact portion extends along a vertical direction of the industrial vehicle, andeach of the plurality of battery cells are vertically stacked in the vehicle body and contact the counterweight at the contact portion along the vertical direction of the industrial vehicle. 2. The industrial vehicle according to claim 1, wherein the counterweight has a portion opposite to the contact portion contacting the plurality of battery cells, andthe battery pack is arranged such that at least a part of the opposite portion faces forward in the vehicle body. 3. The industrial vehicle according to claim 1, wherein the counterweight has a portion opposite to the contact portion contacting the plurality of battery cells, andthe battery pack is arranged such that at least a part of the opposite portion directly exchanges heat with the relative wind. 4. The industrial vehicle according to claim 1, wherein the contact portion is a weight body that contacts the plurality of battery cells and extends in the vertical direction and the counterweight includes a weight portion that is arranged in the weight body, andthe weight portion extends in a different direction from the vertical direction in which the weight body extends. 5. The industrial vehicle according to claim 1, wherein the counterweight has a radiation surface that is arranged in a front portion of the vehicle body and is exposed to the outside of the vehicle body to directly exchange heat with the relative wind. 6. The industrial vehicle according to claim 1, wherein the battery pack includes a heat exchanging plate that is arranged between two adjacent battery cells of the plurality of battery cells. 7. The industrial vehicle according to claim 6, wherein the heat exchanging plate is a rectangular plate. 8. The industrial vehicle according to claim 4, wherein the weight portion stands on a basal edge of the weight body in a thickness direction of the weight body. 9. The industrial vehicle according to claim 4, wherein the weight portion is located vertically lower than the plurality of battery cells. 10. The industrial vehicle according to claim 1, wherein the industrial vehicle is a forklift. 11. The industrial vehicle according to claim 6, wherein a width dimension of the heat exchange plate is greater than a corresponding width dimension of adjacent battery cells of the plurality of battery cells, andthe heat exchanging plate protrudes from a surface of each adjacent battery cell that is located opposite to the contact portion. 12. An industrial vehicle comprising: a vehicle body; anda battery pack, which is placed in the vehicle body, whereinthe battery pack has a counterweight and a plurality of battery cells, the plurality of battery cells partially contact the counterweight at a contact portion of the counterweight,the contact portion of the counterweight is exposed to an outside environment surrounding the industrial vehicle such that the contact portion exchanges heat with relative wind by a greater amount than a non-contact portion of the plurality of battery cells that has no contact with the counterweight,a heat exchanging plate is arranged between two adjacent battery cells of the plurality of battery cells, andthe heat exchanging plate is thermally coupled to the plurality of battery cells such that an entire surface in a thickness direction of the heat exchanging plate contacts a surface in a thickness direction of one of the two adjacent battery cells, and a surface in a width direction contacts the counterweight, and heat generated by the two adjacent battery cells is discharged through the heat exchanging plate. 13. An industrial vehicle comprising: a vehicle body; anda battery pack, which is placed in the vehicle body, whereinthe battery pack has a counterweight and a plurality of battery cells, each of the plurality of battery cells contact the counterweight at a contact portion of the counterweight,the battery pack is placed in the vehicle body such that at least a part of the counterweight that is opposite to the contact portion of the counterweight directly exchanges heat with a fluid in the outside environment,the contact portion extends along a vertical direction of the industrial vehicle, andeach of the plurality of battery cells are vertically stacked in the vehicle body and contact the counterweight at the contact portion along the vertical direction of the industrial vehicle. 14. An industrial vehicle comprising: a vehicle body; anda battery pack, which is placed in the vehicle body, whereinthe battery pack has a counterweight and a plurality of battery cells, each of the plurality of battery cells contact the counterweight at a contact portion of the counterweight,the contact portion of the counterweight is exposed to an outside environment surrounding the industrial vehicle such that the contact portion exchanges heat with a fluid in the outside environment by a greater amount than non-contact portions of the plurality of battery cells that have no contact with the counterweight,the contact portion extends along a vertical direction of the industrial vehicle, andeach of the plurality of battery cells are vertically stacked in the vehicle body and contact the counterweight at the contact portion along the vertical direction of the industrial vehicle.
Weckbecker, Alfons; Krebs, Marc; Beckmann, Axel; Schnittker, Frank; Helfrich, Steffen, Crane and method for operating a crane using recovery of energy from crane operations as a secondary energy source.
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