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US 7,395,692 B2Granted
Portable gas meter
AssigneeDräger Safety AG & Co. KGaA
InventorMarkus Wansing
Life of this patent
Estimating the term…
Abstract
A portable, preferably explosion-proof gas meter is improved in respect to shock loads and has a cylindrical measuring cell (5) and an evaluating circuit on a printed circuit board (6). The measuring cell (5) is connected to the printed circuit board (6) and is mounted in the housing in a shock-absorbing manner in the radial and longitudinal directions and is in gas flow connection with the environment through openings (40) in the housing.
Claims18
A gas meter comprising:
- a housing;
- a measuring cell;
- and
- an evaluating circuit on a printed circuit board, said measuring cell being connected to said printed circuit board and being in gas flow connection with the environment via openings in the housing, said measuring cell being mounted in the housing in a shock-absorbing manner in the direction from and to said openings and in the direction at right angles thereto.
1 more element
A gas meter comprising:
- a housing with an opening;
- a measuring cell;
- an evaluating circuit on a printed circuit board, said measuring cell being connected to said printed circuit board and being disposed in said housing with said printed circuit board in gas flow connection with the environment via said opening;
- and
- shock absorbing mounting elements disposed between said measuring cell and a part of said housing on at least two sides of said measuring cell for absorbing shock in the direction from and to said openings and in the direction at right angles thereto.
2 more elements
Dependencies are inferred from the claim text.