US 11,867,172 B2
Uniaxial eccentric screw pump
Nobuhisa Suhara, Shiga (JP)
Assigned to HEISHIN Ltd., Hyogo (JP)
Appl. No. 17/636,398
Filed by HEISHIN Ltd., Hyogo (JP)
PCT Filed Jun. 29, 2020, PCT No. PCT/JP2020/025447
§ 371(c)(1), (2) Date Feb. 18, 2022,
PCT Pub. No. WO2021/039091, PCT Pub. Date Mar. 4, 2021.
Claims priority of application No. 2019-156945 (JP), filed on Aug. 29, 2019; and application No. 2020-065595 (JP), filed on Apr. 1, 2020.
Prior Publication US 2022/0299025 A1, Sep. 22, 2022
Int. Cl. F04C 15/00 (2006.01); F04C 2/107 (2006.01)
CPC F04C 15/0073 (2013.01) [F04C 2/107 (2013.01); F04C 2240/10 (2013.01); F04C 2240/30 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A uniaxial eccentric screw pump comprising:
a rotor including a male threaded shaft body;
a stator having a female threaded through hole through which the rotor is inserted;
a casing connected to one end side of the stator;
an end stud connected to the other end side of the stator; and
a position adjusting member that adjusts a relative position of the stator with respect to the rotor in an axial direction,
wherein the position adjusting member is detachably attached to both the part between the stator and the casing and the part between the stator and the end stud.