Abstract:
Sail membrane made of a woven fabric of synthetic fibers, with said fabric having a microroughness in the form of groove families crossing one another arranged so as to achieve a density of 5 to 25 grooves/mm deposited on or integrated into said fabric structure.
Abstract:
Sail membrane made of a woven fabric of synthetic fibers, with said fabric having a microroughness in the form of groove families crossing one another arranged so as to achieve a density of 5 to 25 grooves/mm deposited on or integrated into said fabric structure.
Abstract:
Sailcloth of longitudinal direction (machine direction) including a carrier layer, an intermediate layer with several plies of laid yarn as well as a finishing layer, with the yarns being bonded under pretension with the carrier layer and the layers joined with each other, the intermediate layer includes at least three yarn layers the yarns of which being laid at an angle ranging between 55 and 125° relative to the longitudinal direction so that at angles of 60° to 120° and 240° to 300° in relation to the longitudinal direction the cloth has a stretching resistance at 1% of expansion of at least 150 Ibf (667 N).
Abstract:
Sail membrane preferably made of a woven fabric of synthetic fibers, with said membrane having a microroughness in the form of parallelly extending grooves arranged so as to achieve a density of 5 to 25 grooves/mm deposited on or integrated into said membrane surface.
Abstract:
Sail membrane preferably made of a woven fabric of synthetic fibers, with said membrane having a microroughness in the form of parallelly extending grooves arranged so as to achieve a density of 5 to 25 grooves/mm deposited on or integrated into said membrane surface.
Abstract:
A hydraulic pump unit includes a cylindrical member that is fit into an outer circumference of the main shaft and a hydraulic pump body arranged on an outer circumferential side of the cylindrical member. The hydraulic pump body includes a ring cam mounted on the outer circumference of the cylindrical member, a pump bearing, a pump housing, a plurality of pistons housed in the pump housing and actuated by the ring cam, and a plurality of cylinders which guide the plurality of pistons in a radial direction and are arranged in a circumferential direction. The hydraulic pump unit is configured such that the pump unit is insertably fixed to the main shaft by the cylindrical member.
Abstract:
A face sealing annular valve (1) for a fluid-working machine has an annular valve member (10, 50, 60, 70, 80, 90, 100, 110) having a relaxed configuration in which a first seat-engaging surface (14, 101) of the annular valve member can sealedly engage with a first sealing surface of an annular valve seat (8), but a second seat-engaging surface (15, 101) cannot sealedly engage with a second sealing surface (9), and is elastically deformable to a deformed configuration in which the second seat-engaging surface can sealedly engage with a second sealing surface, while the first seat-engaging surface remains sealedly engaged with the first sealing surface. The annular valve member can be made with relatively high tolerances and is only loosely retained by a guide in the relaxed configuration.
Abstract:
In usual hydraulic pumps, a separate assembly opening is provided for every valve of the hydraulic pump. This design causes sealing problems. It is proposed, that the fluid inlet valve (67) and the fluid outlet valve (74) can be assembled through a common assembly access port (38).
Abstract:
A fluid working machine has at least one working chamber of cyclically varying volume and low and high pressure valves to regulate the flow of working fluid into and out of the working chamber, from low and high pressure manifolds. The low and high pressure valves are actuated by electronically controlled valve actuation means which, when actuated, applies forces to the low and high pressure valve members to open and/or close the respective valves. The low and high pressure valve members are independently moveable and, although the low pressure valve member typically begins to move quickly in response to a shared valve control signal, the high pressure valve member typically moves only after a change in the pressure within the working chamber. The electronically controlled valve actuation means may be a shared electronically controlled valve actuator, such as a solenoid within a magnetic circuit which directs magnetic flux through both low pressure and high pressure valve armatures which are connected to the respective valve members.
Abstract:
A fluid working machine has at least one working chamber of cyclically varying volume and low and high pressure valves to regulate the flow of working fluid into and out of the working chamber, from low and high pressure manifolds. The low and high pressure valves are actuated by electronically controlled valve actuation means which, when actuated, applies forces to the low and high pressure valve members to open and/or close the respective valves. The low and high pressure valve members are independently moveable and, although the low pressure valve member typically begins to move quickly in response to a shared valve control signal, the high pressure valve member typically moves only after a change in the pressure within the working chamber. The electronically controlled valve actuation means may be a shared electronically controlled valve actuator, such as a solenoid within a magnetic circuit which directs magnetic flux through both low pressure and high pressure valve armatures which are connected to the respective valve members.