Pressure-controlling device, and pressure-using apparatus
AssigneeMurata Manufacturing Co., Ltd.
InventorsNobuhira TANAKA, Kenjiro OKAGUCHI
Life of this patent
Estimating the term…
Abstract
A pressure-controlling device (10) includes a pump (21), a connection pipe (30), a first valve (41), and a second valve (42). The pump (21) has an inlet port (211) and an outlet port (212). The connection pipe (30) has a first end in communication with the outlet port (212), and a second end in communication with the inlet port (211) and that has a first space (31) that contains the first end, a second space (32) that contains the second end, and a third space (33) that is located between the first space (31) and the second space (32).
Claims11
A pressure-controlling device comprising:
- a pump having an inlet port and an outlet port;
- a connection pipe having a first end, a second end, a first space, a second space and a third space, wherein the first end is in communication with the outlet port, the second end is in communication with the inlet port, the first space contains the first end, the second space contains the second end, and the third space is located between the first space and the second space;
- a first valve configured to switch between a state in which the first space and an exterior space of the connection pipe are in communication with each other and the first space and the third space are not in communication with each other, and a state in which the first space and the exterior space of the connection pipe are not in communication with each other and the first space and the third space are in communication with each other;
- and
- a second valve configured to switch between a state in which the second space and the third space are in communication with each other, and a state in which the second space and the third space are not in communication with each other.
A pressure-controlling device comprising:
- a pump having an inlet port and an outlet port;
- a connection pipe having a first end, a second end, a first space, a second space and a third space, wherein the first end is in communication with the inlet port, the second end is in communication with the outlet port, the first space contains the first end, the second space contains the second end, and the third space is located between the first space and the second space;
- a first valve configured to switch between a state in which the first space and an exterior space of the connection pipe are in communication with each other and the first space and the third space are not in communication with each other, and a state in which the first space and the exterior space of the connection pipe are not in communication with each other and the first space and the third space are in communication with each other;
- and
- a second valve configured to switch between a state in which the second space and the third space are in communication with each other, and a state in which the second space and the third space are not in communication with each other.
Dependencies are inferred from the claim text.