Differential pressure measuring device for oil test
AssigneeAVL List GmbH
InventorWolfgang Sailer
Life of this patent
Estimating the term…
Abstract
A pressure measuring device includes a pressure gauge having a pressure measuring member, at least one connection line which connects the pressure gauge to a measured media source, a connection block which is fluidically connected to the pressure gauge, a heating element and/or cooling element which controls a temperature of the connection block, and at least one closable vent hole which is arranged in the connection block. A section of the at least one connection line which is connected to the pressure measuring member is arranged in the connection block. The at least one closable vent hole is arranged to branch off from the at least one connection line in an ascending manner and to open above the at least one connection line.
Claims22
A pressure measuring device comprising:
- a pressure gauge comprising a pressure measuring member;
- at least one connection line which is configured to connect the pressure gauge to a measured media source;
- a connection block which is fluidically connected to the pressure gauge, the connection block being configured so that a section of the at least one connection line which is connected to the pressure measuring member is arranged therein;
- at least one of a heating element and a cooling element which is/are configured to control a temperature of the connection block;
- and
- at least one vent hole which is configured to be closable and which is arranged in the connection block, the at least one vent hole being arranged to branch off from the at least one connection line in an ascending manner and to open above the at least one connection line.
A pressure measuring device comprising:
- a pressure gauge which comprises at least one pressure measuring member;
- at least one connection line which is configured to connect the pressure gauge to a measured media source;
- a connection block which is fluidically connected to the pressure gauge, the connection block comprising at least one bore and side surfaces, the connection block being configured so that a section of the at least one connection line which is connected to the at least one pressure measuring member is arranged therein;
- at least one heating element and at least one cooling element which are configured to control a temperature of the connection block;
- and
- at least one vent hole which is configured to be closable and which is arranged in the connection block, the at least one vent hole being arranged to branch off from the at least one connection line in an ascending manner and to open above the at least one connection line.
A pressure measuring device comprising:
- a pressure gauge which comprises one or more pressure measuring member(s);
- at least one connection line which is configured to connect the pressure gauge to a measured media source;
- a connection block which is fluidically connected to the pressure gauge, the connection block comprising at least one bore and side surfaces, the connection block being configured so that a section of the at least one connection line which is connected to the one or more pressure measuring member(s) arranged therein;
- at least one of a heating element and a cooling element which is/are configured to control a temperature of the connection block;
- and
- at least one vent hole which is configured to be closable and which is arranged in the connection block, the at least one vent hole being arranged to branch off from the at least one connection line in an ascending manner and to open above the at least one connection line,
- wherein,
- the at least one of the heating element and the cooling element is/are fastened to the side surfaces of the connection block or in the at least one bore in the connection block, and
- when the one or more pressure measuring member(s) is/are provided as a plurality of pressure measuring members, the at least one of the heating element and the cooling element is/are arranged symmetrically with respect to the plurality of pressure measuring members, or
- when the one or more pressure measuring member(s) is/are provided as one pressure measuring member, the at least one of the heating element and the cooling element is/are arranged centrally with respect to the one pressure measuring member.
Dependencies are inferred from the claim text.