# US 2013/0157089 A1 · Shovel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0157089 A1 - Document ID: US20130157089A1 - Status: Published application - Kind: A1 - Application number: 13/817,918 - Filed: 2011-08-26 - Published: 2013-06-20 - Earliest claimed: 2010-08-30 - Assignees: Sumitomo Heavy Industries, Ltd. - Inventors: Tsutomu Miyatake; Shuntaro Adachi - Web page: https://patentgrep.com/patent/US20130157089A1 ## CPC - H05K 7/20509: {Multiple-component heat spreaders; Multi-component heat-conducting support plates; Multi-component non-closed heat-conducting structures} - B60L 1/003: {to auxiliary motors, e.g. for pumps, compressors} - B60L 7/22: Dynamic electric resistor braking, combined with dynamic electric regenerative braking - B60L 7/24: with additional mechanical or electromagnetic braking - B60L 50/16: with provision for separate direct mechanical propulsion - B60L 50/51: characterised by AC-motors - B60L 58/26: by cooling - H01M 50/204: Racks, modules or packs for multiple batteries or multiple cells - H01M 50/289: characterised by spacing elements or positioning means within frames, racks or packs (spacing elements inside cells other than separators, membranes or diaphragms H01M50/471) - B60L 2200/42: Fork lift trucks - B60L 2210/30: AC to DC converters - B60L 2210/40: DC to AC converters - B60L 2240/423: Torque - B60L 2240/443: Torque - B60L 2240/545: Temperature - B60L 2240/547: Voltage - B60L 2240/549: Current - B60L 2250/16: by display - B60L 2250/24: by lever actuation - B60L 2250/26: by pedal actuation - B60L 2270/145: Structure borne vibrations - H01M 10/0481: {Compression means other than compression means for stacks of electrodes and separators} - H01M 10/613: Cooling or keeping cold - H01M 10/625: Vehicles - H01M 10/6555: arranged between the cells - H01M 10/6561: Gases - H01M 10/6567: Liquids - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - Y02T 10/64: Electric machine technologies in electromobility - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02T 10/7072: Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors - Y02T 10/72: Electric energy management in electromobility - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract An upper rotating body is rotatably mounted on a lower running body. A power storage module is mounted on the upper rotating body. The power storage module includes a plurality of power storage cells. Each of the plurality of power storage cells accumulates electric energy. A heat absorbing plate is disposed between the power storage cells. The heat absorbing plate is thermally coupled to the power storage cells, and a flow channel circulating cooling medium is formed in the inner portion of the heat absorbing plate. A cooling medium supply device makes the cooling medium flow into the flow channel formed in the inner portion of the heat absorbing plate. ## Claims ### Claim 1 A shovel, comprising: a lower running body; an upper rotating body which is rotatably mounted on the lower running body; and a power storage module which is mounted on the upper rotating body, wherein the power storage module comprises: a plurality of power storage cells, each of which accumulates electric energy; a heat absorbing plate which is disposed between the power storage cells and is thermally coupled to the power storage cells and has a flow channel formed therein, the flow channel circulating cooling medium; and a cooling medium supply device which makes the cooling medium flow into the flow channel formed in the heat absorbing plate. ### Claim 2 (depends on 1) The shovel according to claim 1, wherein the power storage module comprises at least three power storage cells which are arranged in a line, the heat absorbing plate is disposed in a state of being thermally coupled to both of the power storage cells in at least two locations between two power storage cells adjacent to each other, the power storage module further comprises a connection member which is connected to two heat absorbing plates, and a flow channel, which mutually connects the flow channels formed in the inner portions of two heat absorbing plates, is formed in the inner portion of the connection member. ### Claim 3 (depends on 1) The shovel according to claim 1, wherein the heat absorbing plate is disposed in at least two locations so as to be thermally coupled with the power storage cells, and the flow channel which is formed in one heat absorbing plate communicates with the flow channel which is formed in the other heat absorbing plate. ### Claim 4 (depends on 2) The shovel according to claim 2, wherein the heat absorbing plate and the connection member are formed by bending a flat plate-shaped heat transmission plate in which the flow channel is formed in the inner portion, a bent portion of the heat transmission plate corresponds to the connection member, and a flat plate-shaped portion corresponds to the heat absorbing plate. ### Claim 5 (depends on 4) The shovel according to claim 4, wherein the power storage module comprises at least four power storage cells which are arranged in a line, and the heat transmission plate includes the heat absorbing plate and the connection member, which exhibit a meandering shape as a whole. ### Claim 6 (depends on 5) The shovel according to claim 5, further comprising: a pressurization mechanism which applies a force which compresses in the arrangement direction of the power storage cells to the plurality of power storage cells and the heat absorbing plate, wherein the heat transmission plate is plastically deformed and is formed in a meandering shape, and the dimension of the heat transmission plate in the arrangement direction in a state where a compressive force is applied by the pressurization mechanism is equal to or longer than a natural length of the heat transmission plate after the plastic deformation. ### Claim 7 (depends on 6) The shovel according to claim 6, further comprising: a case which accommodates the power storage cells and the heat transmission plate and includes a bottom plate, a top plate, a pair of side plates, and a pair of endplates which correspond to six virtual planes of a parallelepiped structure, wherein the end plates are disposed at both ends in the arrangement direction and fixed to the side plates, and thus, the compressive force is applied to the power storage cells and the heat absorbing plate. ### Claim 8 (depends on 5) The shovel according to claim 5, wherein the power storage cells are adhered to the heat absorbing plate by adhesive, and a heat transfer material which increases heat transfer efficiency between the power storage cell and the heat absorbing plate is disposed in an area in which the adhesive is not disposed between the power storage cell and the heat absorbing plate. ### Claim 9 (depends on 8) The shovel according to claim 8, further comprising: a case which accommodates the power storage cells and the heat transmission plate and includes a bottom plate, a top plate, a pair of side plates, and a pair of endplates which correspond to six virtual planes of a parallelepiped structure, wherein the end plates are disposed at both ends in the arrangement direction and fixed to the side plates. ### Claim 10 (depends on 7) The shovel according to claim 7, wherein the heat transmission plate is accommodated in the case with a posture in which a perpendicular projection image to the virtual plane corresponding to the bottom plate exhibits a meandering shape, and the bottom and the top plate fix the heat transmission plate in the case by applying a compressive force in a direction perpendicular to the virtual plane corresponding to the bottom plate to the heat transmission plate. ### Claim 11 (depends on 10) The shovel according to claim 10, further comprising: at least two compressive force transmission members which are disposed between the heat transmission plate and the top plate and are long in the arrangement direction, wherein a compressive force is applied to the heat transmission plate via the compressive force transmission member from the top plate, and the compressive force transmission member contacts the heat transmission plate in a position closer to the side plate than an edge of the power storage cell facing the side plate. ### Claim 12 (depends on 4) The shovel according to claim 4, wherein the connection member protrudes to further outside in the arrangement direction than at least one position of two heat absorbing plates to which the connection member is connected. ### Claim 13 (depends on 2) The shovel according to claim 2, wherein each of the heat absorbing plates is comprised of a flat plate-shaped member which includes a flow channel continuous from one end surface to the opposite end surface in the inner portion, the connection member is comprised of a member which includes a flow channel extending in the arrangement direction of the power storage cells in the inner portion and an opening continuous to the flow channel is provided on the side of the flow channel, and the flow channel of the inner portion of the heat absorbing plate is connected to the flow channel of the inner portion of the connection member via the opening. ### Claim 14 (depends on 2) The shovel according to claim 2, further comprising: a plurality of protection members each of which sandwiches at least one power storage cell and applies a compressive force in the arrangement direction of the power storage cells, wherein the heat absorbing plate is disposed between two protection members adjacent to each other in the arrangement direction.