Valve Device
First Claim
1. A valve device comprising:
- a housing which is attached to a pressure apparatus handling fluid, to be partially exposed from the pressure apparatus, and which has a valve passage of causing an inner space and outer space of the pressure apparatus to be connected to each other;
a valve which is disposed to be displaceable in the housing, and is displaced to change an opening degree of the valve passage;
temperature detecting means disposed to project from the housing into the inner space of the pressure apparatus, for detecting a temperature of the fluid in the inner space of the pressure apparatus; and
a signal wire member which extends from a portion of the housing exposed in the outer space of the pressure apparatus to a portion of the housing exposed in the inner space of the pressure apparatus, to be inserted through the housing, thereby being supported by the housing, and which is electrically connected to the temperature detecting means.
2 Assignments
0 Petitions
Accused Products
Abstract
A valve device includes a temperature sensor disposed to project from a housing to a tank inner space to detect the temperature in the tank inner space, and can detect the temperature without being influenced by the heat capacity of the housing. A coil generates a magnetic force to drive a valve with three terminals arranged at different positions in an axial direction, and a drive voltage is selectively applied between two of the terminals. A current value of the driving current which energizes the coil can be changed by selecting the terminals between which the drive voltage is applied. Without controlling the drive voltage, it is possible to suppress wasting power such that the driving current of the large current value is generated in the start-up time, and the current value of the driving current is decreased in the holding time.
46 Citations
4 Claims
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1. A valve device comprising:
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a housing which is attached to a pressure apparatus handling fluid, to be partially exposed from the pressure apparatus, and which has a valve passage of causing an inner space and outer space of the pressure apparatus to be connected to each other; a valve which is disposed to be displaceable in the housing, and is displaced to change an opening degree of the valve passage; temperature detecting means disposed to project from the housing into the inner space of the pressure apparatus, for detecting a temperature of the fluid in the inner space of the pressure apparatus; and a signal wire member which extends from a portion of the housing exposed in the outer space of the pressure apparatus to a portion of the housing exposed in the inner space of the pressure apparatus, to be inserted through the housing, thereby being supported by the housing, and which is electrically connected to the temperature detecting means. - View Dependent Claims (2, 3)
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4. A valve device comprising:
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a housing which is attached to a pressure apparatus handling fluid, to be partially exposed from the pressure apparatus, and which has a valve passage of causing an inner space and outer space of the pressure apparatus to be connected to each other; a valve which is disposed to be displaceable in the housing, and is displaced to change an opening degree of the valve passage; solenoid driving means including a coil, for generating a magnetic force by energization of the coil to drive the valve to be displaced by the magnetic force; and feeder wire members which extend from the portion of the housing exposed in the outer space of the pressure apparatus to a portion of the housing where the coil is disposed, to be inserted through the housing, thereby being supported by the housing, which are electrically connected to three or more different connecting points, respectively, of the coil which points are arranged in an axial direction, and which guide electric power for selectively applying a drive voltage between two of the connecting points.
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Specification