DE1628342A1 - Rotary piston compressor - Google Patents

Description

Paming Trust RBg., Vaduz, LiechtBnstein

KREISKDLBEIyJ CONPRESSOR

DiB v / arlisgBndB invention relates to a rotary piston compressor with rotating piston driven by We 1-1 a and eccentric, which by means of a slide pumps oil containing air. ;

The object of the present invention is to improve the efficiency and the outflow properties.

like circular calving compressors.

Ferniprtchcr: Lfndiu (08382) 9817

Fernechr «lb» r: OS 4374 patent d

Talk time

by appointment

009833/0554

Bank account:

Bayer. State Bank Lindau (B) No. 15 «

Pottery checking account: Munich 298

This object is achieved according to the invention in that some or all of the air containing oil Channels is pumped into the interior of the rotary piston and with this air a seal of the gap between the end walls of the cylinder and the end walls of the circular caliper takes place.

On the one hand, Plan achieves the creation of an oil film, on the other hand, at the same time the creation of an oily air seal between the piston and cylinder. Consequently you can achieve high compression with minimal oil / wear. The compressor according to the invention is extremely simple, so that it is also highly reliable and easy to maintain and maintenance is guaranteed.

For a better understanding of the invention, a Embodiment and its representation in the attached Drawing pointed out, from the further in connection with the corresponding explanations of the description Features and location of the invention emerge.

Figure 1 shows a rotary piston compressor.

Figure 2 shows the same compressor in another Cut.

009833/0554

On the UIbIIb 1 there is an eccentric 2 with unbalance compensation 3. The "Krelskölbe-n" sits on needle bearings U. A slide 6 on the circular slide 5 prevents it from rotating and separates the suction chamber 7 from the compression chamber 8 of the KraiskalbBn compressor. The slide 6 slides in a FuhrungsdrehsdhiBbBr 9 special design, the air is sucked in through a filter 10 and a suction opening 11 and pressed out via a pressure valve 12. 13 is 'the cylinder with its end walls 1 *'. In these there are ball bearings 15 in which the Shaft 1 is mounted,

In order for such compressors to be single-stage z. B. to be able to reach 7 to 10 atmospheres is a very narrow one Gap between the rotary piston 5 and the cylinder 13 and the end walls 14 must be strictly adhered to. The unbalance compensation mass 3 in the eccentric 2 ensures that no vibrations arise in the area of the rotary piston 5 and thus on the inner wall of the cylinder with a small gap of 5/10 0 to 1/10 mm, 'depending on size, can slide along,,

Since the lateral seal between the end walls 14 and the rotary piston 5 when the gaps are too narrow increases the price, the gap is kept larger here, and a sealing ring 26 takes over the additional, Lent lateral seal, the sealing ring 26 is preferred

00 9833/05 54

BATH ORIGINAL

made of plastic and goes from the upper part of the slide 6 close to the outer edge of the end walls of the rotary piston 5 along. The expansion joint is located on the side on which the inlet opening 11 is arranged.

However, these measures alone would not be sufficient around 7 to 10 atmospheres pressure with a ^ single-stage compression to reach. It has been shown in practice that an oily air seal is also necessary. Various proposals in this regard are already known. A significant improvement in this regard is according to the invention intended. The slide 6 sucks in air through a channel 16 and an inlet valve 17 as it goes down. This air is provided with DI via an opening 18. In The DI can be introduced into this inlet opening 18 by means of a dropper will. However, there can also be a wick in it, which on the other side in one with oil filled space is sufficient, or other measures can be used be provided in order to give metered amounts of Dl into the channel 18 when the compressor is running.

This oil-containing air is sucked into the space 19 and when the slide 6 goes up via valves 20, 21 in different channels 22, 23 out. Channels 22 and 23 lead the oily air into bores 24 of the rotary valve

'"^5;"' 00 9833/05

hers 9. DiBSBr has different channels, soft the oily one. Bring air to the outer walls of the door slide, This makes the entire outer wall of the rotary valve 9 provided with an oil film and also made a seal. This also creates lubrication between the rotary piston valve 6 and the rotary valve 9.-

Another part of the oily air goes through the pressure valve 21 and channels 25 in the interior of the KrBiskolbBns 5, in such a way that the oily air is essentially too the calf camps ή. In addition, the oily air reaches the ball bearings 15.

Since air is continuously pumped into the interior of the circular piston 5 while the compressor is in operation, there is not only lubrication of the bearings, but also an overpressure. walls 1 * t jiBs cylinder escape. Darnit is' not only to the Stirnwändan a sealing oil film Br r additionally causes EUGT _t but by the flow of air eini further seal ".-"_■;;?

This very simple design and measures lead to an inexpensive circular calf compressor, wgitshfJ '

33/0114

with a good degree of efficiency air or other gases up to compressed to very high pressures.

Claims

7) '

009833 / Q55Ä

Claims (1)

Ί628342 Pa t e π. t · a π s ρ r ii c h e Rotary piston compressor with a rotating piston driven by a cylinder and an eccentric, which pumps oil-containing air by means of a slide, so that part of the oil-containing air or all of the air via ducts ( 25) is pumped into the interior of the rotary piston (5) and this air is used to seal the gap between the end walls (14) of the cylinder and the end walls of the circular chamber (5). 2. Compressor according to claim 1, d a du rc h g e kB η ηζ e i c h η et that another part of the oleaginous Air through channels (22) in bores in the guide wire handle (9) arrives. 3. Compressor according to claim 1 and 2, ύ ad urch ge · k β η η ζ calibration η et that between the pump chamber (19) and the channels (22, 25) pressure valves (20, 21) attached s ind. k. Compressor according to claims 1 to 3, characterized SAD ORIGINAL ■ " - v" ^: .- ■ - ■, - G09833 / 05S> ■ - 8 - indicates. that the slide (6) the air over the channel (16) and a suction valve (17) from the air filter (10) bzu. close the air filter (ID) and the inlet opening (11) sucks. 5. Compressor according to claim k, characterized in that the air sucked in by the slide (6) via a channel (16) metered amounts of oil can be supplied. 6. Compressor according to claim k and 5, characterized in that when using a Dltropfers to supply the oil, an electromagnetically controlled slide is used to open the oil passage to the dripper when switching on the compressor and to close the oil passage when switching off. 009833/0554 Read 11 e