Patents by Inventor Guangjin CAO

Guangjin CAO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • High-pressure tolerant integrated leakage-proof sleeve compensator
    Patent number: 10203056
    Abstract: The present invention relates to a high-pressure-resistant integrated leakage-free rotating compensator, comprising an inner pipe, an outer sleeve, a connecting pipe and a filler flange. The outer sleeve is arranged on the inner pipe in a sleeved mode. One end of the inner pipe is inserted into the connecting pipe through the outer sleeve. The filler flange is arranged on the inner pipe in a sleeved mode. One end of the filler flange extends into the outer sleeve. An annular inner boss is arranged on the inner surface of the outer sleeve. The portion between the annular inner boss and the end, extending into the outer sleeve, of the filler flange is arranged on gland packing. The outer sleeve and the connecting pipe are of an integrally-formed integrated structure. An anti-impact plate is arranged between the gland packing and the annular inner boss.
    Type: Grant
    Filed: October 11, 2014
    Date of Patent: February 12, 2019
    Assignee: JIANGSU BEITE PIPE FITTINGS CO., LTD.
    Inventors: Lei Hong, Liang Hong, Aichun Zhu, Guangjin Cao, Minghua Yin
  • HIGH-PRESSURE TOLERANT INTEGRATED LEAKAGE-PROOF SLEEVE COMPENSATOR
    Publication number: 20170152976
    Abstract: The present invention relates to a high-pressure-resistant integrated leakage-free rotating compensator, comprising an inner pipe, an outer sleeve, a connecting pipe and a filler flange. The outer sleeve is arranged on the inner pipe in a sleeved mode. One end of the inner pipe is inserted into the connecting pipe through the outer sleeve. The filler flange is arranged on the inner pipe in a sleeved mode. One end of the filler flange extends into the outer sleeve. An annular inner boss is arranged on the inner surface of the outer sleeve. The portion between the annular inner boss and the end, extending into the outer sleeve, of the filler flange is arranged on gland packing. The outer sleeve and the connecting pipe are of an integrally-formed integrated structure. An anti-impact plate is arranged between the gland packing and the annular inner boss. An abrasion-resistant carbon fiber layer is arranged between the gland packing and the outer surface of the inner pipe.
    Type: Application
    Filed: October 11, 2014
    Publication date: June 1, 2017
    Applicant: JIANGSU BEITE PIPE FITTING CO., LTD.
    Inventors: Lei HONG, Liang HONG, Aichun ZHU, Guangjin CAO, Minghua YIN