초록 ▼

An improved non-actuated non-return valve, the valve including a non-magnetic valve body having a substantially hollow interior portion in communication with a gas inlet and a gas outlet. A mechanically biased flow check assembly is positioned within the substantially hollow interior portion, the me

An improved non-actuated non-return valve, the valve including a non-magnetic valve body having a substantially hollow interior portion in communication with a gas inlet and a gas outlet. A mechanically biased flow check assembly is positioned within the substantially hollow interior portion, the mechanically biased flow check assembly being configured to permit a gas flow from the gas inlet to the gas outlet. A first magnetic member may be provided and be in communication with the mechanically biased flow check assembly within the substantially hollow interior portion. A second magnetic member detachably positioned adjacent an exterior portion of the valve body may be provided, wherein a magnetic field of the second magnetic member is configured to impart motion to the mechanically biased flow check assembly when positioned proximate the exterior portion of the valve body.

대표청구항 ▼

An improved non-actuated non-return valve, the valve including a non-magnetic valve body having a substantially hollow interior portion in communication with a gas inlet and a gas outlet. A mechanically biased flow check assembly is positioned within the substantially hollow interior portion, the me

An improved non-actuated non-return valve, the valve including a non-magnetic valve body having a substantially hollow interior portion in communication with a gas inlet and a gas outlet. A mechanically biased flow check assembly is positioned within the substantially hollow interior portion, the mechanically biased flow check assembly being configured to permit a gas flow from the gas inlet to the gas outlet. A first magnetic member may be provided and be in communication with the mechanically biased flow check assembly within the substantially hollow interior portion. A second magnetic member detachably positioned adjacent an exterior portion of the valve body may be provided, wherein a magnetic field of the second magnetic member is configured to impart motion to the mechanically biased flow check assembly when positioned proximate the exterior portion of the valve body. ve terminal of the Lthbattery module in said low voltage group outputting the lowest voltage potential in said battery package when wherein L=1, 1≤L≤N; N junction points; 2N current limiting resistive elements, a positive terminal of said Lthbattery module in said high voltage group being connected to the Lthjunction point through one of said current limiting resistive elements, a negative terminal of said Lthbattery module in said low voltage group being connected to said Lthjunction point through another one of said current limiting resistive elements; and voltage detection means for detecting and outputting voltage potentials at said N junction points. 2. The voltage detection device as claimed in claim 1, further comprising N voltage difference detection circuits for detecting and outputting voltage differences between said Lthand (L+1)thjunction points, respectively, wherein said Nthvoltage difference detection circuit detects a voltage difference between said Nthjunction point and a connection point between said high and low voltage groups of battery modules. 3. The voltage detection device as claimed in claim 1, further comprising potential difference detection means for detecting and outputting potential differences between voltage potentials at said N junction points and a reference voltage at a connection point between said high and low voltage groups of battery modules. 4. The voltage detection device as claimed in claim 1, further comprising data processing means for calculating output voltages of said 2N battery modules from said detected voltage potentials, respectively. 5. The voltage detection device as claimed in claim 2, further comprising data processing means for calculating output voltages of said 2N battery modules from outputs of said N voltage difference detection circuits, respectively. 6. The voltage detection device as claimed in claim 3, further comprising data processing means for calculating output voltages of said 2N battery modules from said detected potential differences, respectively. 7. The voltage detection device as claimed in claim 5, wherein said data processing means calculates variations in said output voltages of said 2N battery modules, respectively. 8. The voltage detection device as claimed in claim 6, wherein said data processing means calculates variations in said output voltages of said 2N battery modules, respectively. 9. A voltage detection device for a battery package including high and low voltage groups of battery modules connected in series, said high and low voltage groups including N of said battery modules connected in series, respectively, a positive terminal of the Lthbattery module in said high voltage group outputting the highest voltage potential in said battery package when L=1, a negative terminal of the Lthbattery module in said low voltage group outputting the lowest voltage potential in said battery package when wherein L=1, 1≤L≤N; N junction points; 2N current limiting resistive elements, a positive terminal of said Lthbattery module in said high voltage group being connected to the Lthjunction point through one of said current limiting resistive elements, a negative terminal of said Lthbattery module in said low voltage group being connected to said Lthjunction point through another one of said current limiting resistive elements; and voltage detection and operation means for detecting voltage potentials at said N junction points and for obtaining and outputting conditional data of said battery modules from said detected voltage potentials. 10. The voltage detection device as claimed in claim 9, wherein said voltage detection and operation means comprises N voltage difference detection circuits for detecting voltage differences between said Lthand (L+1)thjun