Electrical storage device and construction machine provided with same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H05K-005/00
E02F-009/08
E02F-009/20
H01G-002/04
H01G-002/10
H01M-002/10
H01M-010/42
출원번호
US-0816632
(2012-03-19)
등록번호
US-9107286
(2015-08-11)
우선권정보
JP-2011-074869 (2011-03-30)
국제출원번호
PCT/JP2012/057042
(2012-03-19)
§371/§102 date
20130212
(20130212)
국제공개번호
WO2012/133000
(2012-10-04)
발명자
/ 주소
Tsuchiya, Junichirou
Souda, Akihiko
출원인 / 주소
Komatsu Ltd.
대리인 / 주소
Fish & Richardson P.C.
인용정보
피인용 횟수 :
5인용 특허 :
2
초록▼
An electric storage device includes a plurality of capacitor cells (electric-power storage cells) and a casing that houses the capacitor cells. The casing includes an inspection window through which a condition display unit provided inside the casing is visually checkable. The inspection window incl
An electric storage device includes a plurality of capacitor cells (electric-power storage cells) and a casing that houses the capacitor cells. The casing includes an inspection window through which a condition display unit provided inside the casing is visually checkable. The inspection window includes a through hole that penetrates the casing, a resin plate that closes the through hole from an inside of the casing, and a seal member that is interposed between the resin plate and an inner surface of the casing around the through hole.
대표청구항▼
1. An electric storage device comprising: a plurality of electric-power storage cells;a casing that houses the electric-power storage cells; anda condition display unit provided inside the casing,wherein the casing comprises an inspection window through which the condition display unit is visually c
1. An electric storage device comprising: a plurality of electric-power storage cells;a casing that houses the electric-power storage cells; anda condition display unit provided inside the casing,wherein the casing comprises an inspection window through which the condition display unit is visually checkable, andwherein the inspection window comprises: a through hole that penetrates the casing,a plate having a transmission property that closes the through hole from an inside of the casing,a seal member that is interposed between the plate and an inner surface of the casing, the seal member being disposed outside of and surrounding the through hole, anda bolt that is screwed into the through hole from an outside of the casing, the bolt having a transmission property to thereby allow visual check of the condition display unit through the bolt. 2. The electric storage device according to claim 1, wherein the plate having a transmission property is a resin plate,a metal plate is attached to a surface of the resin plate facing the condition display unit, andthe resin plate and the metal plate are fixed to the casing by a shared screw. 3. The electric storage device according to claim 1, wherein the casing comprises a bulging portion that bulges out from a top surface of the casing,the bulging portion comprises a recess in a form of a through-cut having a predetermined width and a predetermined depth,the through hole is provided in the recess, anda head of the bolt is positioned lower than a top of the bulging portion. 4. A construction machine installed with the electric storage device according claim 1. 5. The electric storage device according to claim 1, wherein the condition display unit includes one or more light emitting diodes (LEDs). 6. The electric storage device according to claim 1, wherein the condition display unit includes a liquid crystal display. 7. The electric storage device according to claim 1, wherein the bolt is transparent. 8. The electric storage device according to claim 1, wherein the bolt includes a head portion and a screw portion, both the head portion and the screw portion having the transmission property to thereby allow visual check of the condition display unit through the head portion and the screw portion of the bolt. 9. An electric storage device comprising: a plurality of electric-power storage cells;a casing that houses the electric-power storage cells; anda means for displaying a condition of the plurality of electric-power storage cells, the means for displaying the condition of the plurality of electric-power storage cells being provided inside the casing,wherein the casing comprises an inspection window through which the means for displaying the condition of the plurality of electric-power storage cells is visually checkable, andwherein the inspection window comprises: a through hole that penetrates the casing,a plate having a transmission property that closes the through hole from an inside of the casing,a seal member that is interposed between the plate and an inner surface of the casing, the seal member being disposed outside of and surrounding the through hole, anda bolt that is screwed into the through hole from an outside of the casing, the bolt having a transmission property to thereby allow visual check of the means for displaying the condition of the plurality of electric-power storage cells through the bolt. 10. The electric storage device according to claim 9, wherein the plate having a transmission property is a resin plate,a metal plate is attached to a surface of the resin plate facing the means for displaying the condition of the plurality of electric-power storage cells, andthe resin plate and the metal plate are fixed to the casing by a shared screw. 11. The electric storage device according to claim 9, wherein the casing comprises a bulging portion that bulges out from a top surface of the casing,the bulging portion comprises a recess in a form of a through-cut having a predetermined width and a predetermined depth,the through hole is provided in the recess, anda head of the bolt is positioned lower than a top of the bulging portion. 12. A construction machine installed with the electric storage device according claim 9. 13. The electric storage device according to claim 9, wherein the means for displaying the condition of the plurality of electric-power storage cells includes one or more light emitting diodes (LEDs). 14. The electric storage device according to claim 9, wherein the means for displaying the condition of the plurality of electric-power storage cells includes a liquid crystal display. 15. The electric storage device according to claim 9, wherein the bolt is transparent. 16. The electric storage device according to claim 9, wherein the bolt includes a head portion and a screw portion, both the head portion and the screw portion having the transmission property to thereby allow visual check of the means for displaying the condition of the plurality of electric-power storage cells through the head portion and the screw portion of the bolt.
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이 특허에 인용된 특허 (2)
Rogers Wesley A. (Grosse Pointe Park MI), Battery state of charge monitor.
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