国家/地区 中国（8）
IPC部 F（11）
IPC大类 F16（11） B01（3） B29（2）
C23（2）
IPC小类 F16K（11）
IPC B01J019/00（2） F16K001/00（2） F16K001/36（2）
F16K001/48（2） F16K025/00（2） F16K027/02（2）
F16K027/08（2） F16K031/50（2） F16K031/60（2）
F16K037/00（2）
发明人 LIU P（2）
公开年 2021（8） 2022（2）
申请年 2021（11）
专利权人 HEILONGJIANG.（2） ZHUZHOU SANX.（2）

High-pressure needle valve for controlling flow of high-pressure fluid or gas flowing through pipe, has replacement type metal seal inserted into inlet port of valve body, and sleeve fixture formed with through hole for flow path.

KIM H H, KIMYOONSIK, OH J, SU Y H, YONGJUN K, LEE S J

Defrosting device for branch pipe pressure reducing valve, has motor installed on top part of shell, rotating rod installed at bottom output end of motor, where rotating rod and dust-proof net are in same vertical line.

HOU S

Valve turbine head with double wear-resistant structure, has heating cover whose inner side close to outer surface of sealing cylinder is provided with electric heating pipe and side surface is equipped with temperature control self-adjusting device.

ZHAO S

Diamond valve core for preparing ultra-high pressure graphene, has threaded rod movably passes through through hole and extends to outer side of annular handle, and screw rod located at outer side end part of handle is sleeved with friction sleeve.

LIU P

Piston type electromagnetic pulse valve e.g. bag type dust remover pulse ash cleaning vibration airflow generating device, has electric control valve core whose outer side is provided with air pressure sensor.

XU K, WANG J, WANG Y

Diamond valve seat for preparing ultra-high pressure graphene, has valve core mounting cylinder whose outer side is rotatably sleeved with movable disc, and upper end is provided with connecting flange disc of butting valve core.

LIU P

Reaction kettle lower spreading type discharging valve, has fixing ring whose inner ring surface is in interference fit with outer wall of push rod, where fixing ring is matched with inner step structure to locate sealing plug.

CAO D, WU Y, LI L

Non-blocking reaction kettle downward spreading type discharging valve, has tip divided into tip tail section from back to front, where connecting part of tip middle section and tip front section outer ring surface is smoothly transited.

ZHOU R, GRIGORIEVNA B N, GRIGORJEVIC B A

Windshield wiper graphene oxide induced rubber blade for wiper systems of vehicles, ha second rubber that are arranged at angle with first rubber with internal edges of second rubber making angle with mid rib of first rubber.

JAIN P, SHARMA A, SING A

Heat-resistant polyether ether ketone ball valve seat comprises polyether ether ketone resin powder, inorganic filler, silane coupling agent, and aluminum dihydrogen phosphate.

JI Q