Hydraulic pressurization device for liquefied natural gas and liquefied-compressed natural gas

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10823334
APP PUB NO 20190003645A1
SERIAL NO

15974061

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The disclosed technology generally relates to liquefied natural gas (LNG) and liquefied-compressed natural gas (L-CNG) filling stations, and more particularly to an LNG/L-CNG hydraulic pressurization device and a gas filling station. In one aspect, a LNG/L-CNG hydraulic pressurization device includes an oil tank; a L-CNG pressurization cylinder; a LNG pressurization cylinder; first and second directional valves communicating with the L-CNG pressurization cylinder and the LNG pressurization cylinder respectively; a first hydraulic pump and a second hydraulic pump, whose oil inlets communicate with the oil tank and whose pressure oil outlets communicate with an oil inlet of the first directional valve and an oil inlet of the second directional valve respectively; and a ball valve having a first port communicating with a first communication port between the pressure oil outlet of the first hydraulic pump and the oil inlet of the first directional valve, and a second port communicating with a second communication port between the pressure oil outlet of the second hydraulic pump and the oil inlet of the second directional valve.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • ZIGONG TONGDA MACHINERY MANUFACTURING CO., LTD

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Guangdi Zigong, CN 2 0
Wang, Yiguan Zigong, CN 1 0
Wu, Zongrong Zigong, CN 1 0
Zeng, Jianbing Zigong, CN 1 0
Zhao, Pinzhong Zigong, CN 1 0

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 May 3, 2024
7.5 Year Payment $3600.00 $1800.00 $900.00 May 3, 2028
11.5 Year Payment $7400.00 $3700.00 $1850.00 May 3, 2032
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00