Structural unit
AssigneeGrundfos Holding A/S
InventorsOle HANSEN, Søren Søgaard JENSEN
Life of this patent
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Abstract
A construction unit (1, 2) forms part of a gas heater and includes a valve (9) which is actuatable by way of a stem (10). The stem (10) includes positive-fit device. The stem (10) is controllable from the outside via a tool which can be brought into engagement with the positive fit device. A detent engagement device (18, 27) holds the tool (21) in engagement with the stem (10), so that the valve is controllable without the aid of outside tools.
Claims20
A construction unit for a compact heating facility, the construction unit comprising:
- at least one valve;
- a shaft, the at least one valve being hand-controllable by way of the shaft comprising a positive-fit profile at a shaft end side, wherein the shaft can be controlled from the outside by way of a tool which is engaged with the positive-fit profile;
- a detent engagement device which holds the tool in engagement with the shaft.
A tool for a manual actuation of a valve of a construction unit of a compact heating facility, wherein the construction unit further comprises a shaft and the valve is hand-controllable by way of the shaft and the shaft comprises a positive-fit profile at a shaft end side, wherein the shaft can be controlled from the outside by way of the tool which is engaged with the positive-fit profile, wherein the tool comprses at least a portion of a detent engagement device which holds the tool in engagement with the shaft.
Dependencies are inferred from the claim text.