F - Mech Eng,Light,Heat,Weapons – 01 – B
Patent
F - Mech Eng,Light,Heat,Weapons
01
B
103/68
F01B 13/04 (2006.01) F04B 1/20 (2006.01)
Patent
CA 1242931
SWASHPLATE TYPE AXIAL-PISTON PUMP Ingo Valentin Abstract of the Disclosure An axial-piston pump includes a rotatable cylinder barrel having pistons extending from cylinder bores formed at one end thereof. A swashplate is positioned adjacent the cylinder barrel and includes an inclined surface for engaging and reciprocating the pistons upon rotation of the cylinder barrel relative thereto. The cylinder barrel is rotatably supported by a bearing spaced from the swashplate in a direction toward the cylinder barrel. The location and orientation of the bearing results in the development of bearing forces which operate on the same equivalent force point as the contact forces developed between the pistons and swashplate. Since the forces thus developed all operate on the same equivalent force point, pitching or cocking moments on the cylinder barrel are substantially eliminated.
485105
Osler Hoskin & Harcourt Llp
Valentin Ingo
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