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US 9,807,896 B2Granted
Converter
AssigneeYokogawa Electric Corporation
InventorsTakashi Arai, Masayuki Ishii, Yuichi Hori, Akira Uehara
Life of this patent
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Abstract
A converter includes an amplifier case main body having an amplifier main body accommodated therein, and a safety cover attached to the amplifier case main body. The safety cover has a plurality of through-holes for as removal.
Claims4
A converter comprising:
- an amplifier case main body having an amplifier main body accommodated therein;
- an indicator;
- and
- a safety cover attached to the amplifier case main body,
- wherein the safety cover has a plurality of through-holes for gas removal, the plurality of through-holes are circumferentially provided along an outer periphery of a main plane of the safety cover at an area in which the indicator is not attached, so as to surround the indicator, and an area of the main plane of the safety cover in which the indicator is attached is not provided with any through-hole.
2 more elements
A converter comprising,
- an amplifier case main body having an amplifier main body accommodated therein;
- an indicator;
- and
- a safety cover attached to the amplifier case main body,
- wherein the safety cover has plurality of through-holes for gas removal, the plurality of through-holes circumferentially surrounding the indicator, an inner diameter of each of the through-holes for gas removal being smaller than an outer diameter of a predetermined test pin such that the predetermined test pin cannot be fitted into the through-holes.
2 more elements
Dependencies are inferred from the claim text.