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JPH0518089Y2 |
A chain saw is disclosed in which a cylinder of a plunger type oil pump is made of a tubular member, the cylinder body fitted at one end to a pump body and is closed at the other end by a plug member made of elastic material, and an oil ...
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JPH0521178U |
[Purpose] Since the conventional twin-chamber reciprocating pump has an inconvenient structure when the primary side and the secondary side are exchanged, it is mostly used in the flow direction only on the outward path. The purpose is t...
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JPH055257Y2 |
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JPH05500254A |
The invention concerns a radial piston pump with a multiplicity of radially disposed cylinder/pump assemblies with foot and head valves, the pistons being controlled by a cam plate which rotates eccentrically with respect to a housing ho...
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JPH051661Y2 |
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JPH0465233B2 |
PURPOSE:To automate the feed of a liquid such as a lubricant or the like to a sliding part in mechanical equipment, by sliding a spool and a plunger with slide motion of a rod, and constituting a pump to make a fluid of grease or the lik...
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JPH0461194B2 |
A pump assembly (10) including a piston (12) connected to a rotating wheel (30) by a pin (32) radially offset from the axis of rotation of the wheel and a cylinder (14) in reciprocating telescoping relationship with the piston (12) and s...
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JPH04265478A |
PURPOSE: To provide a pump for viscous substance which can be produced by arranging branch ducts as a compact and lightweight structure at a low cost, and can be used usefully for the pressure feed of viscous substance even at a narrow m...
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JPH04262073A |
PURPOSE: To provide a pump capable of preventing, especially an imbalanced force applied on a piston or the pulsation of fluids to be pump-fed by improving the capacity pump of a type having a rotating and reciprocating piston, which is ...
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JPH0437268Y2 |
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JPH0454068B2 |
A combined fuel and oil pump 11 comprises a reciprocally movable member 39 for pumping fuel in response to member reciprocation, a reciprocally movable element 91 for pumping oil in response to element reciprocation, and a fluid pressure...
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JPH04234577A |
PURPOSE: To enhance the efficiency of a precompression metering distribution pump by preventing vacuum produced in a pump working space from becoming excessively high, so as to prevent suction of unpreferable air. CONSTITUTION: A differe...
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JPH04228878A |
PURPOSE: To provide a machine which adopts pressurized fluid, such as a hydraulic motor or a pump. CONSTITUTION: A pressurized fluid machine comprises a cam 13 having a plurality of lobes, a cylinder block 6 mounted to rotate with respec...
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JPH0433966Y2 |
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JPH0448952B2 |
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JPH04214982A |
PURPOSE: To provide a motor-compressor unit of high reliability by installing a coupling between a rotor and piston, and suppressing the wear to the possible minimum. CONSTITUTION: A motor-compressor unit is equipped with a vibrating mot...
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JPH0430387Y2 |
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JPH0444110B2 |
A concrete pump comprises a water rinsing box, a valve housing and a pair of concrete pump cylinders there-between. The rinsing box and the valve housing are welded at opposite ends of rigid connecting means such forming a rigid undetach...
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JPH0429090Y2 |
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JPH0476975U |
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JPH0429878B2 |
A ston pump includes a cylinder (26) with a bore (27) receivre the piston (24). The piston (24) forms a central passage (34) leading to a variable volume chamber (42) and a check valve (40) is disposed in the central passage. In addition...
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JPH0417818Y2 |
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JPH0423113B2 |
PURPOSE:To obtain an oil pump suitable for a two cycle engine, by providing two kinds of control mechanisms, which supply oil with delivery characteristics being different in response to the load of the engine, in one oil pump. CONSTITUT...
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JPH04501897A |
PCT No. PCT/EP89/00805 Sec. 371 Date May 28, 1991 Sec. 102(e) Date May 28, 1991 PCT Filed Jul. 11, 1989 PCT Pub. No. WO90/06444 PCT Pub. Date Jun. 14, 1990.A method and device for controlling a thick matter pump having two feed cylinders...
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JPH0416604B2 |
PURPOSE:To prevent air lock by sucking a large quantity of the oil in an oil tank in the charge suction cycle and supplying the oil into an oil storage cham ber and then supplying the oil into a pump chamber in the metering suction cycle...
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JPH0416603B2 |
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JPH04501294A |
Displacement control of a multi-piston fluid pump (30) is achieved by real time control of electrically selectable inlet poppet valves (36) in one or more of the cylinders (34). Microprocessor (40) control permits desired variable output...
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JPH048316Y2 |
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JPH045743Y2 |
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JPH0353016Y2 |
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JPH0350299Y2 |
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JPH0366516B2 |
PURPOSE:To prevent residual drops from falling down from a tip end of a discharge portion at any steps except a predetermined dropping step after discharge of liquid by a simple mechanism and thereby to provide superior quantative perfor...
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JPH0346232Y2 |
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JPH03185276A |
PURPOSE: To allow pumping with low pulsation by constituting at least three cylinders respectively communicated with hydraulic jacks as one unit device, by rotatably supporting it by actuation by a hydraulic motor, and by operating seque...
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JPH03160160A |
PURPOSE: To make it possible to maintain always a fixed pump delivery flow amount, by specifying a shape of each drive cam, which drives a plunger and a spool fitted into a cylinder main unit and a valve main unit adjacent to each other,...
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JPH03141875A |
PURPOSE: To achieve smooth movement of a check valve by causing a shutter which makes sliding movement within a valve body to be freely slidably supported by the guide devices of upper and lower portions in such a way that it does not ma...
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JPH03124976A |
PURPOSE: To simply carry out stroke motion of a plunger in a wear-resistant manner by providing such an arrangement that a can transmission device has a cam support and an engaging member therefor, and the relative position of the cam su...
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JPH0349305U |
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JPH0331912B2 |
A pump for delivering accurately a measured quantity of a fluid e.g. or anaesthetic comprises a piston 11 in a cylinder 10, each of which is reciprocated by eccentric drives 16, 17. Into pump space 9 there open the inlet valve 10, 13 and...
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JPH0330719B2 |
A system for delivering controlled quantities of a stream of fluid to an application zone includes a positive displacement pump (100) comprising a piston housing (111) with an interior cylindrical wall (115). A pumping chamber (116) lies...
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JPH0323754B2 |
A two-cylinder pump for heavy flowable materials, such as concrete, comprising a shutter mechanism which is pivotable across an apertured face plate, the shutter mechanism being sealed against the face plate by means of a cutting ring wh...
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JPH0321208B2 |
The present invention is directed to pump apparatus for purifying water. The apparatus includes a housing containing a reciprocating plunger pump with a permanently attached filtering module preferably containing a reverse osmosis elemen...
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JPH0311425Y2 |
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JPH0319914B2 |
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JPH0319915B2 |
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JPH0317184U |
The apparatus includes a vertically disposed cylinder (18) attached to the base of a sealed tank (2) so that its upper end opens within the base of the tank. A piston (28) moves vertically in the cylinder from a position uncovering liqui...
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JPH03512B2 |
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JPH02504414A |
PCT No. PCT/CH89/00038 Sec. 371 Date Nov. 29, 1989 Sec. 102(e) Date Feb. 16, 1990 PCT Filed Mar. 6, 1989 PCT Pub. No. WO89/09339 PCT Pub. Date Oct. 5, 1989.A multi-cylinder piston pump of rotary slide valve design for conveying free flow...
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JPH0259305B2 |
PURPOSE:To obtain an oil pump suitable for a two cycle engine, by providing oil supplying mechanism, which supplies oil to an air intake path and an actuating chamber of the engine and has the discharge characteristics at the time of a l...
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JPH02144674U |
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