초록 ▼

The invention relates to an operating medium tank (1) for a drive unit (2), especially for an internal combustion engine (3) of a portable handheld work apparatus. The tank (1) has a fill opening (4) and a output opening (5) in the housing wall (6) of the tank. According to the invention, at least o

The invention relates to an operating medium tank (1) for a drive unit (2), especially for an internal combustion engine (3) of a portable handheld work apparatus. The tank (1) has a fill opening (4) and a output opening (5) in the housing wall (6) of the tank. According to the invention, at least one base (7) having a lug (8) is formed as one piece from the housing wall (6) in order to configure the tank so as to be operationally safe and easy to assemble. The tank (1) can be fixed with the aid of the lug (8) so as to be form-tight and separable on a receptacle (9) of the drive unit (2).

대표청구항 ▼

1. An operating medium tank for a drive unit including an internal combustion engine of a portable handheld work apparatus, said operating medium tank comprising:a housing having a housing wall defining an interior for the operating medium; said housing wall having a fill opening and an output openi

1. An operating medium tank for a drive unit including an internal combustion engine of a portable handheld work apparatus, said operating medium tank comprising:a housing having a housing wall defining an interior for the operating medium; said housing wall having a fill opening and an output opening formed therein; a base on said housing wall and a stud extending from said base; said base and said stud formed as one piece from said housing wall; a receptacle on said drive unit for receiving said stud; and, said tank being configured to be releasably fixed on said drive unit by said stud being received from-tight in said receptacles. 2. The operating medium tank of claim 1, wherein said drive unit includes first and second housing parts; and, said tank is fixedly mounted between said first and second housing parts.3. The operating medium tank of claim 2, further comprising a holding arm formed on said housing wall as one piece therewith and said holding arm projecting from said housing wall.4. The operating medium tank of claim 2, wherein said tank defines a longitudinal axis and further comprises a plurality of holding arms each formed on said housing wall as one piece therewith; and, said holding arms are disposed in respective planes disposed transversely to said longitudinal center axis.5. The operating medium tank of claim 4, wherein said holding arms are fixed between said first and second housing parts when said tank is mounted on said drive unit.6. The operating medium tank of claim 5, wherein said first and second housing parts conjointly define a motor housing.7. An operating medium tank for a drive unit including an internal combustion engine of a portable handheld work apparatus, said operating medium tank comprising:a housing having a housing wall defining an interior for the operating medium; said housing wall having a fill opening and an output opening formed therein; a base on said housing wall and a lug extending from said base; said base and said lug formed as one piece from said housing wall; a receptacle on said drive unit; means for releasably fixing said tank with said lug to said receptacle so as to permit said tank to be mounted form-tight on said drive unit; said drive unit including first and second housing parts; and, said tank being fixedly mounted between said first and second housing parts; said tank defining a longitudinal axis and further comprising a plurality of holding arms each formed on said housing wall as one piece therewith; and, said holding arms being disposed in respective planes disposed transversely to said longitudinal center axis; said holding arms being fixed between said first and second housing parts when said tank is mounted on said drive unit; said first and second housing parts conjointly defining a motor housing; and, said first housing part being a crankcase and said second housing part being a starter housing cover. 8. The operating medium tank of claim 2, further comprising an elastic damping element mounted radially between said stud and said receptacle.9. The operating medium tank of claim 2, further comprising an elastic damping element mounted radially and axially between said stud and said receptacle.10. The operating medium tank of claim 1, wherein said tank defines a longitudinal center axis; and, said stud lies at a distance radially to said longitudinal center axis and said housing wall.11. The operating medium tank of claim 10, wherein a plurality of said studs are formed on said housing wall as one piece therewith.12. The operating medium tank of claim 11, wherein said studs are each formed on said housing wall as one piece therewith in a plane aligned transversely to said longitudinal center axis.13. The operating medium tank of claim 4, wherein each of said holding arms defines a holding arm longitudinal axis; and, each of said holding arms has a through bore formed therein transverse to said holding arm longitudinal axis thereof.14. The operating medium tank of claim 4, wherein said tank is made of thermoplastic plastic.15. The operating medium tank of claim 14, wherein said thermoplastic plastic is polyamide.16. The operating medium tank of claim 14, wherein said tank comprises first and second half shells; said half shells are formed as injection-molded parts or pressed parts; and, said first and second half shells are connected to each other by a friction weld.17. An operating medium tank for a drive unit including an internal combustion engine of a portable handheld work apparatus, said operating medium tank comprising:a housing having a housing wall defining an interior for the operating medium; said housing wall having a fill opening and an output opening formed therein; a base on said housing wall and a lug extending from said base; said base and said lug formed as one piece from said housing wall; a receptacle on said drive unit; means for releasably fixing said tank with said lug to said receptacle so as to permit said tank to be mounted form-tight on said drive unit; said drive unit including first and second housing parts; and, said tank being fixedly mounted between said first and second housing parts; said tank defining a longitudinal axis and further comprising a plurality of holding arms each formed on said housing wall as one piece therewith; and, said holding arms being disposed in respective planes disposed transversely to said longitudinal center axis; said tank being made of thermoplastic plastic; said tank comprising first and second half shells; said half shells being formed as injection-molded parts or pressed parts; and, said first and second half shells being connected to each other by a friction weld; said holding arms being formed on said first half shell; and, wherein said tank comprises a plurality of said lugs formed on said second half shell as one piece therewith. 18. The operating medium tank of claim 1, wherein said base is formed as a set break location between said housing wall and said stud.19. The operating medium tank of claim 1, wherein said tank is a fuel tank.20. The operating medium tank of claim 1, wherein said base is a portion raised from said housing wall in the manner of a pedestal and said stud extends from said pedestal; and, said pedestal, said stud and said wall all are formed as one piece.